[--]

Jyutping naan4 soeng6 gaa1 naan4
Pinyin nán shàng jiā nán

Definitions (Wiktionary)
  1. phrase, idiomatic
    to be extremely difficult
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

難上加難 [难--难]

Jyutping
Pinyin nán shàng jiā nán

Definitions (CC-CEDICT)
  1. extremely difficult
  2. even more difficult