out of luck; end of one's rope
Used when someone's luck has run out, often in a dramatic or resigned tone. Common in phrases like 運の尽きだ.
ここでエンジンが止まるとは、運の尽きだ。
The engine dying here means we're out of luck.
彼は最後の試験に落ちて、運の尽きだった。
He failed the last exam and that was the end of his rope.
Standard kanji spelling.
Kana spelling of 尽き; common in casual writing.
From 運 (luck) + の (possessive particle) + 尽き (noun form of 尽きる, 'to run out'). Literally 'the end of luck'.