on thin ice

字典網

相關對話：

1. It is dangerous to walk on thin ice in a lake.
   在湖中薄冰上行走是很危險的。
2. He's used to skating on thin ice and managed the situation as well as could be hoped.
   他慣於處理棘手問題，並且十分成功的處理好了當時的局勢。
3. He seemed satisfied with my description of how the machine works, but I was skating on thin ice because I don't really know much about it myself.
   他似乎很滿意我對機器操作的敘述，可是我卻如履薄冰，因為我自己對那機器實在了解不多。