noun, used as a suffix
leaving everything up to someone else
Attaches to nouns to form expressions meaning 'leaving something entirely to someone/something', often implying trust or reliance. Common in phrases like 人任せ, 運任せ, 勘任せ.
彼はいつも人任せで、自分からは何もしない。
He always leaves everything to others and never does anything himself.
この作戦は
This plan relies entirely on luck.