Virtue alone is the unerring sign of a noble soul .

美德才是无误签署一项高尚的灵魂。

She has an unerring instinct for spotting the latest trends .

她有准确无误地发现最新潮流的本能。

Our commander 's unerring ability to find a cabin for the night .

我们的指挥官找到过夜的小木屋的准确无误的能力。

To prehistoric hunters the moon overhead was as unerring as a heartbeat .

在远古的猎人眼里，天空中的月亮如同心跳一样准确无误。

An unerring faculty for detecting hypocrisy is one of her most useful attributes .

能无误地看出伪善的能力是她身上最有用的特征之一。