他似乎很满意我对机器操作的叙述，可是我却如履薄冰，因为我自己对那机器实在了解不多。

他似乎很满意我对机器操作的叙述，可是我却如履薄冰，因为我自己对那机器实在了解不多。的英文翻译

基本释义

• 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.