unerring

adj.

准确无误的；无偏差的；一贯正确的；可靠的

1. The antique dealer has an unerring ability to spot a fake.
   那古董商慧眼识珠，鉴别假货从不出错。
2. You can trust his unerring taste in cloths.
   你可以相信他的衣着品位，绝对没问题。
3. He had an unerring instinct for when people were lying to him.
   他具有准确的直觉，能判断别人什么时候是在说谎。
4. He have an unerring knack of saying the wrong thing.
   他有个出言必失的本事。

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