get a clue
have a clueI don't have a clue!
provide a clueD51 may provide a clue to Smart's intentions
first clue‘You don't know where Mrs Howard got the first clue about this?’
important clueHerein lies an important clue, but also a further puzzle.
vital clue‘A vital clue.’
give a clueI'll give a clue, lunch, lunch
clue whereI wouldn't have a clue where to go.
clue howYes I do , I honestly don't ask me I haven't got a clue how she managed.
clue to howCan psychological experiments give us a clue to how such calculations are performed?
clue about howSort of share with you, give me some clue about how we can organise the rest of the course as well.
only clueThe only clue had come in the late morning.