- be unlikely to不大可能（做）...;
- be classified as归类称为。。。;
- be cast up on定居在;
- be adept atv.擅长;
- be named after以…命名;
- be involved in涉及，专心;卷入;
- be intended for打算为…所用;
- be indispensable tov.必需;
- be glued to粘到…上，胶着在…上;
- be free of charge是免费的
- be free没事儿；没事；得空；得闲;
- be unable to不能/不会（做）…;不克;
- be ripe for准备好了
- be present at出席，在席;
- be pleased to乐于;
- be out不在，公开;外出;
- be of固有，导致;
- catch on tov.理解;
- go on the airv.开始广播，停止广播;
- get on with sb与某人相处;
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