Separate the wheat from the chaff

Translation separate the wheat from the chaff into russian

Someone needs to separate the wheat from the chaff to find the best candidates for the job.

Кому-то нужно отделить зерна от плевел, чтобы найти лучших кандидатов на работу.

To distinguish between what is valuable or worthwhile and what is not; to separate the good from the bad.