词汇 | on the alert |
释义 | on the alert : looking for or expecting something (such as danger or an opportunity)警戒状态;密切注意着 The soldiers need to be on the alert at all times.士兵们需要时刻保持警惕。 — often + for When you're driving in winter you should always be on the alert for icy conditions.冬天驾车时你应该时刻警惕出现路面结冰的情况。 I'm always on the alert for a good bargain.我一直留意着淘件便宜货。 alert |
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