目を疑う、耳を疑うを英語でなんと言うか？

自分の目を疑う、耳を疑うは英語でもまったく同じ発想です。0:30 the keepers couldn't believe their eyes when they saw the unusual antics of these lionesses. they say they've never seen this sort of behavior before. この光景に動物園の職員たちは我が目を疑った。

The 'flying' lions of Longleat Safari Park
https://www.youtube.com/watch?v=bdNEKqNvDeM  0:15 the head of the Accounts Chamber couldn't believe her ears she said when she first heard it. ロシア会計局の代表は約2000億円のお金がなくなったとはじめて耳にしたとき、耳を疑ったといった。
$1.8 billion misused by Russian space agency Roscosmos
https://www.youtube.com/watch?v=5jG2LOfDNPY  2:06 he says he couldn't believe his ears. コスビーが自分に言ったことが信じられなかったと言う。
Former Beauty Queen: Bill Cosby Would Ruin My Career If I Didn't Have Sex

練習問題解答
a-5900 can't believe his eyes