Related Clues:

• Lesson for an advanced language learner
• Hits the books and rings a bell
• 'Sell like hotcakes' and 'call it a day,' for example
• Bits of dialect
• Expressions with meanings independent of their parts
• "Easy as pie" and "piece of cake," for two
• "Break the ice" and "on thin ice," for two
• The bee's knees and the cat's meow
• Primarily if distressed individuals occasionally make such expressions
• "Break a leg" and "break bread"
• Phrases that don't translate well
• "Seeing red," "feeling blue" and "going green"
• Dark horse and sitting duck