Hank: You can wear more clothes.

你可以多穿点衣服.

We must wear more clothes against the cold.

我们得穿更多衣服以防冷（御寒）。

Eg: Wear more clothes, or you'll catch a cold.

多穿点衣服，要不然你会感冒的。

Take care wear more clothes, don't let me worry about you.

小心多穿点衣服，不要让我担心你。