糞, 屎: (swear word) shit

糞, 屎: (vulgar) feces

落ちる: to fall

examination, exam, test / quiz

to fall / (computing) to go down (as when a computer or application becomes unresponsive) / (electrical engineering, of a circuit breaker) to trip / (informal) to fail an examination

(idiomatic) to keep a secret when asked about it, but let it slip inadvertently when chatting on another occasion

graduation examination

a mock exam

litmus test

(law) a bar examination