有错必纠you cuo bi jiu

a wrong must be righted when done

有错必纠

every wrong should be righted;right every wrong;correct mistakes whenever made
坚持实事求是、～的原则uphold the principles of seeking truth from facts and of righting every wrong

有错必纠yǒu cuò bì jiū

错误只要被发现，就得纠正过来。Mistakes must be corrected whenever discovered.

有错必纠yǒu cuò bì jiū

有了错误一定要纠正。