下喬木入幽谷 [－乔－－－－]

Jyutping haa6 kiu4 muk6 jap6 jau1 guk1
Pinyin xià qiáo mù rù yōu gǔ

Definitions (Wiktionary)
  1. phrase, idiomatic
    to forsake light for darkness; to go from a good situation into a bad one
    (syn.) 下喬入幽, 下乔入幽