1590s, "to shed one's clothing," from un- (2) "opposite of" + dress (v.). Transitive sense of "to strip off (someone's) clothing" is recorded from 1610s. Related: Undressed; undressing.
undress (n.)
"state of partial or incomplete dress," 1680s, from undress (v.). Meaning "ordinary dress" is from 1748.
权威例句
1. Every cover showed a woman in a state of undress.
每个封面上都有一名裸体女子。
2. She went out, leaving Rachel to undress and have her shower.
她出去了,留下雷切尔一个人除衣淋浴。
3. I helped to undress the children for bed.
我帮孩子们脱衣就寝.
4. Maybe Apollonia had wanted hire to help her to undress.