单词 | on a knife-edge |
释义 | on a knife-edgephr.① (人)(對事情的成敗)感到惴惴不安<about>He's on a knife-edge about the examination.他對考試感到忐忑不安。② (事情的成敗)處於微妙的狀態The success or failure of the plan was balanced on a knife-edge.計畫的成敗尚未定局。 |
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