Related Clues:

• Give indication of not knowing how to get through exam
• I don't know
• Succeeded at history, mostly achieving acceptable exam result
• Go by plane, not road, idiot!
• Mountain route; come to an end
• Give indication of not knowing way through mountains
• Yukon and White _____ railway
• "You can go to the next person"
• Fail to answer, but get through exam
• Get by with no degree of honour
• Defile ticket
• Meet one's maker, while wearing pyjamas inside out
• Doesn't fail with an amorous advance
• Disregard it and go ahead
• Mountain road