godan verb (-u), transitive verb
Often implies a lengthy or contentious discussion, picking apart details. Can be used neutrally or with a negative connotation of nitpicking.
彼らはその問題をあげつらって夜遅くまで話し合った。
They discussed the issue at length, talking late into the night.
godan verb (-u), transitive verb
find fault with; criticize; pick apart
Strongly negative nuance: to criticize by focusing on minor flaws or to argue against someone's points in a fault-finding manner.
彼は私の提案を細かい点まであげつらった。
He picked apart my proposal down to the smallest details.
人の失敗をあげつらうのはよくない。
It's not good to find fault with other people's mistakes.