查水錶 [－－表]

Jyutping caa4 seoi2 biu1
Pinyin chá shuǐ biǎo

Definitions (Wiktionary)
  1. verb, literally, verb-object
    to read the water meter
  2. verb, Mainland-China, neologism, of the police, slang, usually, verb-object
    to ask to be let in under the pretext of checking the water meter; to barge into people's homes on false pretences