無所措手足 [无－－－－]

Jyutping mou4 so2 cou3 sau2 zuk1
Pinyin wú suǒ cuò shǒu zú

Definitions (Wiktionary)
  1. phrase, idiomatic
    to be at a loss as to what to do
    (syn.) 無所措手, 无所措手