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 a big head
- have mixed feelings about (someone or something)
- have a foot in both camps
- have (something) down pat
- have the devil to pay
- have a taste for (something)
- have none of (something)
- have a stake in (something)
- have growing pains
- have broad shoulders
- have one's nose in the air
- have sticky fingers
- have to live with (something)
- have a case (against someone)
- have a good thing going