仮け病びょうを使つかう

expression, godan verb (-u)

feign illness; pretend to be sick

Used when someone fakes being ill, often to avoid work, school, or an obligation.

• 彼かれは学がっ校こうを休やすむために仮け病びょうを使つかった。

  He feigned illness to skip school.

• 仮け病びょうを使つかっても、すぐにばれてしまうよ。

  Even if you pretend to be sick, you'll get caught right away.