玉石ぎょくせき混交こんこう
gyokusekikonkō

Noun

1. mixed bag; mixture of good and bad; jumble of wheat and chaff; mixture of precious gems and common rocks — literal

Yojijukugo
ボスには玉石ぎょくせき混交こんこうのグループとはわれたけれど、俺おれたまかな、それともいしなのかな。
bosuniwa gyokusekikonkōno gurūputowa iwaretakeredo orewa tamakana soretomo ishina nokana.
The boss said this group is a real mixed bag. I wonder if he places me with the wheat or the chaff.
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