- be wrapped up inv.被包藏于，埋头于，与…有关系;醉心;
- be worried about为…忧虑，烦恼的;
- be void of没有…，缺乏…;
- be closely bound up with与…有密切联系;
- be certain to do something一定要做点什么
- be cast up on定居在;
- be bent on专心于;执意;醉心;一心一意;
- be alone独自;孤单的;
- be necessary for必须，有…的必要;
- be intended for打算为…所用;
- be instrumental in成为工具
- be infested withv.多得成灾;
- be in want of想要什么
- be in the market for想买;
- be in duty bound tov.有义务;
- be in agreement意见一致;
- be impatient with忍不住某人;
- be full ofv.充满;横生;盈;满腹;
- be formed from是由
- be familiar to被某人熟悉;
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