123456789Keywordcarefulcautionto guard againstto take careFrequency#5351Strokes9ReadingsbìMnemonic比 (compare) gives the meaning and 必 the sound.Stroke orderComposed of比to compare必certainlyUsed in vocabulary毖bìcareful; to prevent惩前毖后chéngqiánbìhòulit. to punish those before to prevent those after (idiom); to criticize former mistakes firmly to prevent them happening again