not have a clue (about something)
(не) знать \ (не) иметь представление о чем-либо
I have no clue what happened that day.
Другие идиомы:
- have second thoughts about (someone or something)
- have one's hands full (with someone or something)
- have a screw loose
- have a soft spot in one's heart (for someone or something)
- have (something) to spare
- have one's nose in the air
- have a scrape with (someone or something)
- have the devil to pay
- have one's hand in the till
- have mixed feelings about (someone or something)
- have no business (doing something)
- have the presence of mind to (do something)
- have a field day
- have the last laugh
- have one's heart go out to someone