keep a close watch
短语发音
AU
词形变化
keeping a close watch
keeps a close watch
三单
keeps a close watch
kept a close watch
keeping a close watch
现在分词
kept a close watch
过去式
kept a close watch
过去分词
释义与例句
v.
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1.
to pay careful attention to a situation or a thing, so that you can deal with any changes or problems.
习语The prime minister asked the home secretary to keep a close watch on the flooding situation.