"I am a bit lazy"
It translates from French as "have a little faith"
Elle est un peu triste.
peu sûr, non sûr, pas en sûreté
It is a short life.
to get some rest is "prendre un peu de repos, / se reposer" in French.
but I'm also a bit....
Elle est drôle, mais un peu paresseuse.
It could mean - yes, a little (in answer to a negative question)
I will be back soon
je suis un peu timide
Je suis un peu gros / grosse.
I'm a little sad because you won't speak to me.
Ambroise Lafortune has written: 'Je suis un peu fou'
It translates from French as "have a little faith"
This is not french. There is no such word as khaka. Peu peu is "a little bit". Caca peu peu could be to 'pooh a little bit'... something someon might say to a baby, but your question is moot.
Sont un peu gros in French means "Are a bit gross" in English.
"Peu" in French means "little" or "few".