chit-chat 闲聊

back-pack 背包
It's necessary to take a back-pack while hiking.
远足的时候，很有必要背一个书包。

flip-flop 人字拖
Itty-bitty 极小的

teensy-weensy 微小的
A：Hey I have a teensy-weensy problem.
B：An itty bitty spider jumped on the wall.

Chop-chop 快点
A：Mumu chop-chop! we don't have time! The movie is starting soon!
B: I am getting ready, stop worrying.