1. trivial things 鸡毛蒜皮的事
I don't like to argue over trivial things.
2. chicken 懦夫
Why are you such a chicken? Just do it!
3. chicken out（因害怕而）退缩，放弃
I was going to tell her that I like her, but I chickened out.
4. count chickens before they hatch 过早下定论
Don't count chickens before they hatch
5. chicken scratch 龙飞凤舞的字体
I really can't read his signature because his handwriting is like chicken scratch!