be on the lookout
中文释义
留心关注，特别是寻找某人或某事
Stay alert for something or someone specific.
常用搭配
- be on the lookout for deals留意优惠
- stay on the lookout时刻留意
- on the lookout for trouble警惕麻烦
例句
- Be on the lookout for a package on the porch.留意一下门廊上的包裹。
- The security team is always on the lookout for fraud.安全团队时刻警惕欺诈。