kijan sa tradwi an angle: nan benyen pa gen cache lonbrik.

You can translate it as: There's no hiding your belly button when taking a bath.
It can have different meanings, but they all line up the this idea: The truth is out, what else is there to hide? 
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Is there a way to say "prove me wrong" or "prove them wrong" in no more than 3 words in Creole?

I think you can use demanti or kontredi

prove someone wrong
demanti yon moun
kontredi yon moun

She proved me wrong
Li te demanti m.

I will prove them wrong.
M'ava demanti yo.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

How do you call the INK TUBE that is inside a pen in haitian Creole? mesi

Is called a "min", pronouced "meen"

min plim nan
the ink tube of the pen

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Does "Pa toutafè" translate "not quite"?

wi wi, se sa.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

is chat in function?

No, not yet.  I'm still testing it.
Some components are not working as well as they should.  Thanks
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

lapè means both peace and fear? That might get confusing

Yes, it might get confusing.

lapè (syn: trankilite, serenite, rekonsilyason)

lapè  (syn: lapè, pè, laperèz, lafreyè, lakrent, kaponnay)
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

what is the difference between koute and tande?

Wi, gen yon ti diferans.

Koute (to listen) → fè yon efò aktif pou tande e konprann
tande (to hear) → resevwa yon son nan zòrèy ou
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

does: "tou sa pou izit vit"mean Everything is short lived

No.  I don't think so.
I am not sure "izit" is  a H. Creole word.
Did you mean "isit"?

Try any of the following Creole phrases:
Everything is short lived.
Tout bagay pase vit
Tout bagay efemè
Tout bagay pa la pou lontan
Nan pwen anyen ki dire.

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Let me be (an Kreyòl)

Let me be.
Kite'm viv.
Ban'm lapè'm.
Kite'm anrepo.

Let it be.
Kite sa.
Bliye sa.
Kite sa tonbe.
Lage' l nan men Bondye
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

kijan sa tradwi an angle: tout komansman genyen yon fin

Tout koumansman genyen yon fen.
Every beginning has an end.

Tout lapriyè genyen yon "Amen".
Every prayer has an "Amen".

Tout maladi genyen yon remèd.
Every illness has a cure.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

DO YOU KNOW WHEN TO TAKE YOUR MEDICATION TRANSLATE IN CREOLE

Do you know when to take your medication?
Eske ou konnen kilè pou pran medikaman ou?

Do you know how often to take your medication?
Eske ou konnen chak kilè pou pran medikaman ou?

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Bonjou ankò! Kisa "pa" fè nan fraz sa a? "S'on boul chifon sal, repousan, koulè sak pou siye pye devan pa pòt legliz." -'Pase m yon kou foli" pg 11. Osi, kisa tit liv sa a vle di egzakteman?

Bonswa kouman ou ye?

papòt (or pa pòt) → doorstep, door's entrance, doorway, threshold
"S'on boul chifon sal, repousan, koulè sak pou siye pye devan papòt legliz la."
"It's a dirty repulsive rag, the color of sack cloth to wipe our steps at the church entrance". (something like that)

"Pase m yon kou foli" 
Slap me with a strike of madness (literally)
Make me Crazy (possible meaning)

This sounds like someone who had cursed another with a curse (of madness).
The meaning may be lost in the English translation, but here's a legend that might help you understand the true meaning of this phrase.
There's a legend in Haiti which says you should not let a mad person hit or strike you.  If this happens, you will also become mad.

"Pase m yon kou foli" also has a connotation of love and passion.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

ou pa bezwen mawon (maron)... if i understand this literally it says you don't need brown? is this an expression?

mawon (here is a verb) → to avoid, to elude, to stay clear of, to run away, to shun away from  (if that's good English :-\)

1.  Li mawon.
     He ran away.

2. Li mawon nou.
    He eluded us.

3. Ou pa bezwen mawon.
   You don't need to hide.
   You don't need to avoid me/us

4.  Depi li te wè machin polis la rive, li te gentan mawon.
     Once he saw the police car arrive, he was already gone.

5.  Vwazen m nan dwe'm lajan, se pou sa li mawon m.
      My neighbor owes me money, that's why she's avoiding me.

6.  Poukisa ou mawon'm konsa?
     Why are you avoiding me?

7. Depi yo te fin kenbe'l ap kase kay la, li te mawon katye a.
    Since they caught him burglarizing the house, he stayed clear of the neighborhood.


mawon as adjective

8. Machin li gen yon koulè mawon.
    His car has a brown color.
    His car is brown.

9. mawon in other expressions

nèg mawon → "runaway slave"
chat mawon → wild cat, burglar
zèb mawon → wild plants/grass

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

what does "kichoy" mean? and how do you use it?

Kichòy → thing, something, a handout, a gift, can also mean a misdeed

1. Fè yon ti kichòy pou mwen.
    Do something for me.
    Help me out

2.  Mwen pa mande w kichòy, mwen mande sèlman pou w respekte m.
     I don't ask you for anything, I only ask that you respect me.

3. Mwen te pote yon ti kichòy pou ou.
    I've brought you a little something.

4.  Se pou nou padone moun ki fè nou kichòy.
     We must forgive people who does things to us.
      We must forgive people who do us wrong.

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

"we love you, your are forever in The Fathers heavenly arms."

We love you, You are forever in the Father's heavenly arms."
Nou renmen ou.  Ou va pou tout tan nan bra Papa selès la.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words