一頭霧水 (jat1 tau4 mou6 seoi2) — in bewilderment or confusion; not knowing what's the matter in Cantonese
jatˉ¹一tauˎ₄頭mouˍ₆霧seoiˊ²水简 一头雾水
Mandarin Pinyin: yi1 tou2 wu4 shui3
Meaning of 一頭霧水
nounin bewilderment or confusion; not knowing what's the matter