undress

脱衣服、脱掉衣服

She undressed quickly and stepped into the shower.

她迅速脱掉衣服，走进淋浴间。

替…脱衣服、脱下…的衣服

He undressed the sleeping child and put her to bed.

他替睡著的孩子脱掉衣服，把她放上床。

裸体、衣不蔽体正式

He opened the door in a state of undress.

他衣衫不整地去开了门。