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

崖崩れ: rockfall

Alternative form of こえかけ (koekake)

rockfall

wall, barrier, obstacle, partition

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

(chiefly in the negative) so much; so often; so long; particularly; especially

Used when something comes to mind: to recall / Used to express agreement: yeah, of course

everything

(colloquial) current boyfriend