| 词汇 | be on the lookout (for sb/sth) |
| 释义 | ● be on the ˈlookout (for sb /sth )● keep a ˈlookout (for sb /sth )(informal ) to watch carefully for sb /sth in order to avoid danger , etc . or in order to find sth you want 注意；警戒；留心◆ The public should be on the lookout for symptoms of the disease . 公众应当留心这种疾病的症状。See also lookout |
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