動詞 undress:

1. get undressed
   同義詞：undress, discase, uncase, unclothe, strip, strip down, disrobe, peel
2. remove (someone's or one's own) clothes
   同義詞：strip, undress, divest, disinvest

形容詞 undressed:

1. of lumber or stone or hides; not finished or dressed
2. having removed clothing
   同義詞：unappareled, unattired, unclad, ungarbed, ungarmented

1. She undressed her son.
   她脫掉了兒子的衣服。
2. The boy undressed and went to bed.
   孩子脫掉衣服上床睡覺。