KNOW THE MEANING
a bolt from the blue used to describe something which happens suddenly and unexpectedly: The closing down of the company came as a bolt from the blue to the employees. under a cloud to be suspected of having done something wrong: The whole class is under a cloud until the person who stole the phone confesses. my ears are burning an expression used to indicate that you think that someone is talking about you: When I went into the room everyone suddenly stopped talking and looked at me; my ears were definitely burning! femme, cherchez la femme a French expression, meaning ‘find the woman’, which has been adopted into English to indicate that there is a woman involved in some way. Bob has suddenly decided to go and work in the rival company and everyone is suggesting that it is a case of charchez la femme. the groves of academe university or college life; sounds very formal but sometimes used in fairly informal, even humorous, contexts: Apparently, Tony has grown weary of the groves of academe and decided to accept a very highlypaid post in industry.
Alternatives the academic world, university life: Mary is very studious and seems well suited to a career in the academic world. your guess is a good as mine used to emphasise a lack of knowledge or information in connection with a situation; used in informal contexts: Your guess is as good as mine; I’ve no idea why Jane suddenly decided to move out of the apartment. affairs of the heart matters relating to love or romance: John is a very clever scientist, but when it comes to affairs of the heart he can be remarkably naive. the plot thickens used to indicate that a situation is becoming more involved and more dramatic; often used in fairly humorous situations: We all thought that Dick was going to the college dance with Sally, but she is going with Dave and Dick is going with Dave’s ex-girlfriend; the plot thickens! quite the reverse used to indicate that the opposite of what was just been stated is the case: Sam did not criticise what Joan did - quite the reverse; he praised her action.
Down Under Australia or New Zealand; used in informal contexts: Harry went backpacking Down Under and liked Sydney so much that he decided to get a job there. wait and see used to try to encourage patience in someone, indicating that they will find out about something later: They haven’t announced the name of the new director yet; you’ll just have to wait and see. climbing the walls to be extremely bored and full of pent-up energy: George loves his job as a truck driver; he’ll start climbing the walls if you give him an administrative job and make him sit behind a desk all day