赤信号皆で渡れば怖くない

あかしんごうみんなでわたればこわくないakashingouminnadewatarebakowakunai

expression · i-adjective

1. if everyone crosses against the red light together, there's nothing to be afraid of
2. there's no reason to feel guilty about doing something bad if everyone does it

Study it in Yanamino