脫褲子放屁 [脱裤－－－]

Jyutping tyut3 fu3 zi2 fong3 pei3
Pinyin tuō kù zi fàng pì

Definitions (CC-CEDICT)
  1. lit. to take off trousers to fart
  2. fig. to do something absolutely unnecessary
  3. fig. to make things too complicated
Definitions (Wiktionary)
  1. phrase, colloquial, figuratively, idiomatic
    to do an utterly unnecessary thing
    (syn.) 除褲放屁, 除裤放屁