1.live-in (傭人等在雇主家)寄居的,寄住的
例句:I have a live-in nanny for my youngest daughter.
我為小女兒請了個住家保姆 。
2.ensure v. 保證;擔保;確保
例句:Organisers had consulted widely with police, stewards and safety officers to ensure tight security.
組織者廣泛征詢了警方、管事和保安的意見,以保證絕對安全 。