be on the watch

be on the watch (for someone or something)

To be closely monitoring for someone or something, usually in an attempt to avoid danger. You need to be on the watch for suspicious people when you're out in the city this late at night. Be on the watch for grammar errors—this writer is notorious for run-on sentences.See also: on, someone, watch

be on the ˈwatch (for somebody/something)

be looking carefully for somebody/something that you expect to see, especially in order to avoid possible danger: The police warned tourists to be on the watch for car thieves.See also: on, watch

单词	be on the watch
释义	be on the watch be on the watch (for someone or something) To be closely monitoring for someone or something, usually in an attempt to avoid danger. You need to be on the watch for suspicious people when you're out in the city this late at night. Be on the watch for grammar errors—this writer is notorious for run-on sentences.See also: on, someone, watch be on the ˈwatch (for somebody/something) be looking carefully for somebody/something that you expect to see, especially in order to avoid possible danger: The police warned tourists to be on the watch for car thieves.See also: on, watch
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