看走眼

kànzǒuyǎn
  1. to make an error of judgment
  2. to be taken in

CEDICT

to judge a person or situation wrongly; to fail to identify person or things that are bad and make the mistake of trusting them

Wiktionary

判断错误。

重編國語辭典

Entry Composition

1 看 kàn
  1. to see; to look at
  2. to read
  3. to watch
  4. to visit; to call on
  5. to consider; to regard as
  6. to look after
  7. to treat (a patient or illness)
  8. to depend on
  9. to feel (that)
  10. (after a verb) to give it a try
  11. to watch out for
2 走眼 zǒuyǎn
  1. a mistake
  2. an oversight
  3. an error of judgment

Related entries

受骗 shòupiàn
  1. to be cheated
  2. to be taken in
  3. to be hoodwinked
你受骗了。

You've been had.

Source: Tatoeba

着道儿 zháodàor
  1. to be fooled
  2. to be taken in (by a ruse)
請把椅子拿走，它擋著道兒了。

Please remove that chair because it is in the way.

Source: Tatoeba