keep a lookout for
US /kiːp ə ˈlʊk.aʊt fɔːr/
UK /kiːp ə ˈlʊk.aʊt fɔːr/
成语
1.
留意, 警惕
to watch carefully for someone or something, especially to prevent danger or to find something specific
示例:
•
Please keep a lookout for the delivery truck.
请留意送货卡车。
•
We need to keep a lookout for any suspicious activity.
我们需要留意任何可疑活动。
在 Lingoland 学习这个单词