undress
verb [intransitive, transitive]to take off your clothes; to remove somebody else’s clothes （给…）脱衣服 She undressed and got into bed. 她解衣上床了。 - undress somebody
to undress a child 给小孩脱衣服 He got undressed in a small cubicle next to the pool. 他在游泳池旁的小更衣室里脱掉了衣服。