一葉落ちて天下の秋を知る いちようおちててんかのあきをしる a straw will show which way the wind blows; a falling leaf shows that autumn has come exp proverb Advanced ➥
地に落ちる ちにおちる to drop like a rock (e.g. of reputation, power, influence); to go down the toilet exp v1 Advanced ➥