What does the phrase 'piece of cake' mean?

In the sentence 'Time is a thief that steals our moments', what type of figurative language is being used?

What does the phrase 'hit the nail on the head' mean?

In the sentence 'The classroom was a zoo during recess', what type of figurative language is being used?

What does the idiom 'break the ice' mean in everyday conversation?

In the sentence 'The leaves danced in the wind', what type of figurative language is being used?

What is the meaning of the word 'light' in the sentence: 'She had a light workload today and finished early'?

What is meant by the idiom 'spill the beans'?

What does the expression 'cost an arm and a leg' signify?

What does it mean when someone says they are 'on cloud nine'?

What does the expression 'let the cat out of the bag' mean?

What is meant by the idiom 'cold feet'?