愉悅口語:第926期 掉以輕心英文怎麼說

講解文字：

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lower one's guard 喪失警惕，疏忽大意，輕視而漫不經心
We should never lower our guard at any time.
任何時候我們都不應該掉以輕心。
It's not safe here, so you can never lower your guard.
這裡不安全，所以千萬別掉以輕心。

瘋狂練習吧！