違える
1
romper la palabra de uno
2
ser impuntual
1
to change;to alter
彼は約束をたがえない。
He is as good as his word.
2
to run counter to;to go against;to break (one's word)
ビルは時間を違えないことはめったにない。
Bill is seldom ever on time.
3
to make a mistake (in);to err