if if是否；如果；即使；每当 Do you know if he's married? 他结婚没结婚，你知道吗？ I can give you a round neckline if you prefer. 如果您喜欢我可以给您开个圆领口。 If he wins and it's a big if he'll be the first Englishman to win for twenty years. 假使他赢了－－是否能赢还是一大疑问－－他将是二十年来第一个获胜的英国人。 She glares at me if I go near her desk. 我一走近她的办公桌，她就瞪我。
