3 . be afraid to do sth 害怕做某事或不敢做某事。如: He was afraid to fly in a plane. 他不敢坐飞机。 He was afraid to go into the house and meet his father. 他不敢进屋去见他父亲。 注:以上两类句型的异同之处:表示担心会发生某事或某情况,只能用 be afraid...
go on doing继续干某事,不停地干某事 go on with 继续 go out 出去,熄灭 go over 仔细检查,复习 go through 浏览;翻阅,通过
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