半人前

noun

incompetence; inability to complete a task / Used other than figuratively or idiomatically: see 半, 人, 前. ("half of one person's share or portion")

彼はまだ半人前の料理人だ。

He is still an incompetent chef.

意味（1）

incompetence; inability to complete a task

意味（2）

Used other than figuratively or idiomatically: see 半, 人, 前. (half of one person's share or portion)