chinese translation to the nursery rhyme ”this old man”

Request for Chinese translation for the lyrics:

This old man, he played one,
He played knick knack with his thumb,
With a Knick, knack, paddy whack,
Give the dog a bone;
This old man came rolling home.

what do
'played knick knack with/on his thumb' &
'knick, knack, paddy whack'
mean?

there is another version too:

This old man, he rhymed once
he put up some valiant fronts
with a wick-wack bitter lack of youthfulness & charm
this old man kept rhyming on

what does wick wack mean?