- be worth doing值得（做）;
- be certain to的确，一定会;
- be caused by由…引起;所致;
- be burdened withv.负重担，麻烦;
- be bored with腻烦；腻；厌;
- be beneficial tov.有益于;利于;
- be alongv.来到;
- be ahead of[美国口语]比…高，比…强;占优势;超过，赶过;
- be adapted tovt.适合于（适应）;
- be absent fromv.缺席;
- be in charge管事；掌事;
- be hard upv.<口>缺钱，穷，短缺;捉襟见肘;左支右绌;
- be happy with与…在一起很高兴；对…感到满意;
- be grounded in以..为基础;以...为根据;
- be fit for适合于;
- be eager for something渴望某事
- be proficient inv.熟练，精通;
- be possessedv.发疯，渴望做某事，镇静;中魔;
- be of prime importance极其重要;
- To Be Determined下决心;
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