柄【bǐng】
1. handle 2. anything affording an advantage or pretext to an opponent
[名] 1、器物的把儿 2、比喻在言行上被人抓住的短处

刀柄是一把刀的组成部分。
Handle is a part of a knife.

他因愚昧而成了村里的笑柄。
His ignorance made him a laughing stock in the village.
饼【bǐng】
1. cake 2. sth. shaped like a cake
[名]1、扁圆形的面制食品 2、形状像饼的东西

这个蛋糕店的西饼很好吃。
The cake shop has wonderful cookies.

掷铁饼是田径比赛中的一个项目。
Discus is one of the events in track and field.
饼干【bǐng gān】
biscuit; cookies; cracker
[名] 松脆的干制面食品

我喜欢吃巧克力饼干。
I like chocolate biscuit.