間違いなし

まちがいなし

certain; sure; no doubt

Also written 間違い無し

Meaning

exp
certain; sure; no doubt

Example sentences

毎日大食していると、ブクブク太り過ぎること間違いなし。

If you pig out every day, you're sure to gain too much weight.
「間違いなし」「ホントに？」「2回確認しました」

"No errors." "Are you sure?" "I checked two times."