空そら涙なみだ

noun

crocodile tears; fake tears

Refers to insincere or feigned tears, often to manipulate or deceive.

• 彼かの女じょの涙なみだは空そら涙なみだだった。

  Her tears were crocodile tears.

• あの政せい治じ家かの謝しゃ罪ざい会かい見けんは空そら涙なみだにしか見みえなかった。

  That politician's apology press conference looked like nothing but crocodile tears.