子供 こども使 つか
kodomono tsukai

Noun
Idiomatic Expression

1. useless messenger; doing only as one is told; fool's errand

子供 こども使 つかいじゃあるまいし、もうちょいとまともな交渉 こうしょうしてくれんかね。
kodomono tsukaijārumaishi mō choito matomona kōshō shite kure nkane.
What are you, just an errand boy? Start thinking for yourself and give me something serious to work with.
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