切勿班门弄斧的英文

• don’t teach fish to swim

• 切勿:    be sure not to
• 班门弄斧:    display one's slight skill b ...
• 勿班门弄斧:    don't teach your grandmother to such eggs
• 班门弄斧:    display one's slight skill before an expert; be conceited; display one's incompetence before a connoisseur; go to teach hewing to the god of carpenters; show off before a superior man; show off in the presence of an expert; show off one's proficiency with the axe before lu ban, the master carpenter; teach fish to swim; teach one's grandmother (how) to suck eggs 先生大名, 如雷灌耳, 小弟献丑,真是班门弄斧了。 your great name long since reached my ears like thunder. i am ashamed to show off my incompetence in the presence of an expert like yourself
• 不要班门弄斧:    do not teach fish to swim; do not try to teach your grandmother to such eggs; don't try to teach fish how to swim; never offer to teach fish to swim