therein lies…

成語所屬單字therein

therein lies… — 慣用語

1. This phrase is used to point out the main reason or result of a situation.

1.慣用語
釋義

問題就在於

This phrase is used to point out the main reason or result of a situation.

例句

Maya never practiced, and therein lies the reason for her failure.

The team lacked communication, and therein lies the problem.