釈迦に説法

しゃかにせっぽう

teaching your grandmother to suck eggs; teaching something to someone who knows more than you; preaching to the choir; lecturing to the Buddha

Meanings

Expression
teaching your grandmother to suck eggs; teaching something to someone who knows more than you; preaching to the choir; lecturing to the BuddhaIdiom

Example sentences

釈迦しゃかに説法せっぽう。

Don't teach fish to swim.
それは釈迦しゃかに説法せっぽうというもの。

That's like carrying coals to Newcastle.