二に度どあることは三さん度どある

expression, godan verb (-ru, irregular)

what happens twice will happen thrice

Proverb meaning that if something has happened twice, it is likely to happen a third time; often used to warn that bad luck or mistakes tend to repeat.

• 二に度どあることは三さん度どあるから、気きをつけたほうがいいよ。

  Since what happens twice will happen thrice, you'd better be careful.

• また遅ち刻こくか。二に度どあることは三さん度どあるって言いうし、次つぎはないと思おもえ。

  Late again? They say what happens twice will happen thrice, so consider this your last chance.