mǎn​tóu​wù​shuǐ

completely confused

Senses

满头雾水/ 滿頭霧水 mǎn​tóu​wù​shuǐ completely confused

To be utterly bewildered or unable to make head or tail of a situation.

References

same_as 满头雾水/滿頭霧水 → 一头雾水/一頭霧水
variant 一头雾水/一頭霧水 → 满头雾水/滿頭霧水