1.be better off 境況好
【例句】He'd be better off going to the police about it.
他好把這件事報告警方。
2.be blind to 對……視而不見
【例句】She was blind to the silent worship in his eyes. 她沒有發(fā)覺他眼里流露出的無聲的敬慕之情。
【總結(jié)】be blind to和turn a blind eye to的用法
前者強調(diào)狀態(tài)，后者強調(diào)動作的發(fā)生
she is blind to know everything.(強調(diào)狀態(tài)，一直都是)
she turns a blind eyes to everything.(強調(diào)動作以及導致的結(jié)果)
3.be busy doing 忙著……
【例句】He is busy with some important work.
他正忙于處理一些重要的事情。
【總結(jié)】be busy doing=be busy in doing in可省略。
【拓展】be busy with 忙著…
4.be careful 小心
【例句】You should be careful when making a promise. 你應當謹慎做出。
【拓展】be careful with vt. 注意(照顧)，be careful of vt. 注意，留心，be careful about 注意，重視，be careful for prep. 當心，be careful in prep. 注意，be careful to prep. 仔細(注意)，be careful that 當心，be careful how 注意，提防，對……謹慎
5.be caught in 被困住
【例句】We were caught in the storm and got drenched. 我們遇上大雨全都被澆透了。
【拓展】be caught in 淋雨
be caught in the fact 當場被捕
be caught with chaff 上當
be caught up in something 受某物感染
be caught up in被卷入, 牽涉, 涉及
【詞語辨析】be caught with和be caught in的區(qū)別
with后跟人或物：be caught with note
in后跟狀態(tài)：be caught in the rain