stand out a mile
US /stænd aʊt ə maɪl/
UK /stænd aʊt ə maɪl/

1.
非常显眼, 非常明显
to be very obvious or noticeable
:
•
Her bright red dress made her stand out a mile in the crowd.
她那件鲜红的裙子让她在人群中非常显眼。
•
His dishonesty began to stand out a mile after a few weeks.
几周后,他的不诚实开始非常明显。