高低

1. height

♦ 山崖的~ the height of a cliff

♦ 声调的~ the pitch of a voice

2. relative superiority or inferiority

♦ 争个~ vie with each other to see who is better

♦ 难分~ hard to tell which is better

3. sense of propriety; discretion

♦ 不知~ not know what's proper; have no sense of propriety