err
verb [ I ] formal uk/ɜːr/ us/ɝː/ /er/
犯错误；做错事；出差错
to make a mistake or to do something wrong
He erred in agreeing to her appointment to the position. 他错在同意了对她的任命。
Idioms
err on the side of cautionidiom 宁愿过于谨慎也不要冒险犯错误
to be especially careful rather than taking a risk or making a mistake
25 people have replied to the invitation, but I've erred on the side of caution and put out 30 chairs. 25人回复了邀请函，但为谨慎起见我准备了30把椅子。
to err is human (to forgive divine).idiom saying 人皆犯错（宽恕是德）；凡人多舛误（唯神能见宥）
something that you say that means that it is natural for people to make mistakes and it is important to forgive people when they do