way out of a paper bag

Phrase

idiomatic

(idiomatic, formulaic) A minimal level of competence or effectiveness, as used in phrases where one is unable to perform.

Japanese Meaning

非常に無能で、最低限の能力や効果しか発揮できない状態を表す慣用句。 / 基本的な能力すら欠如しており、何事にも対応できない様子を示す表現。

When it comes to wiring or plumbing, Jake is a joke — he wouldn't find his way out of a paper bag.

配線や配管に関しては、ジェイクはまったく頼りにならない。簡単な修理すら全然できない。

Sense（1）

(idiomatic, formulaic) A minimal level of competence or effectiveness, as used in phrases where one is unable to perform.

My boss is so clueless, he couldn't schedule his own way out of a paper bag.