What about a bar of chocolate?

一条巧克力怎么样？

What about a bar of chocolate and some milk?

来一块巧克力和一些牛奶怎么样？

A bar of chocolate is enough to stop his crying.

一条巧克力就可以让他不哭了。

Why not have a bar of chocolate to cheer you up?

何不吃条巧克力使自己开心点呢？

He's holding a bar of chocolate and a bottle of soda.

他持有一条巧克力和一瓶汽水。