如堕五里雾中

1. • as if lost in a thick fog (idiom)
2. • in a fog
3. • muddled
4. • completely unfamiliar with sth

Character by character

• 如(rú)as
• 堕(duò)fall
• 五(wǔ)five
• 里(lǐ)lining
• 雾(wù)fog
• 中(zhōng)middle