貫かん禄ろく不ぶ足そく

noun, na-adjective, noun which may take the genitive case particle 'no'

lacking dignity; not commanding enough respect; insufficient gravitas

Used when someone does not have the presence, authority, or weight expected for their role or position. Often implies the person seems too lightweight or unimpressive for the job.

• 彼かれは部ぶ長ちょうとしては貫かん禄ろく不ぶ足そくだ。

  He lacks the gravitas to be a department head.

• あの俳はい優ゆうは貫かん禄ろく不ぶ足そくで、社しゃ長ちょう役やくには合あわない。

  That actor doesn't have enough presence and isn't suited for the role of a company president.