“万无一失”，汉语成语，比喻十分稳妥，绝对不会出差错。可以翻译为“guarantee complete success; no risk at all; nothing will go wrong; perfectly¹ safe”等。

 

例句：

 

由他掌舵，通过这段激流险滩是万无一失的。

With him at the helm, we are a hundred percent safe crossing these treacherous² rapids.

 

为确保万无一失，一架警用直升机一直在空中警戒。

To make extra certain, a police helicopter kept watching from the sky.

点击收听单词发音