親兒子 [亲儿－]

Jyutping can1 ji4 zi2
Pinyin qīn ér zi

Definitions (Wiktionary)
  1. noun, slang
    a person or thing preferred, supported or patronized above all others; favourite
  2. noun
    Used other than figuratively or idiomatically: see 親／亲, 兒子／儿子.