半瓶水响叮当 bàn píng shuǐ xiǎng dīng dāng

DEFINITIONS

  1. lit. if you tap a half-empty bottle it makes a sound (idiom)
  2. fig. empty vessels make the most noise
  3. one who has a little knowledge likes to show off, but one who is truly knowledgeable is modest

CHARACTERS

半 bàn half
瓶 píng jug, pitcher, vase, jar, bottle
水 shuǐ water, liquid, lotion, juice
响 xiǎng make sound, make noise; sound
叮 dīng exhort or enjoin repeatedly
当 dāng bear, accept, undertake; just