idioms

    have something on the brain (keep thinking or talking about something) John has money on the brain; he is trying to earn as much as possible. Luis has football on the brain. He never talks about anything except football.   – English Vocabulary

as American as apple pie (things that represent the best of American culture) Rock and roll music is as American as apple pie. For me, leather jackets are as American as apple pie.     – English Vocab

apples and oranges (things that are completely different) Both players are great, but you can’t compare apples and oranges. We’re doing different product lines, so I can’t compare apples and oranges here.    – English Vocabulary

a smart cookie (a clever person who is good at dealing with difficult situations) Daniel can make this project succeed. He is a real smart cookie. Jacob might seem like a scatterbrain, but in fact, he is a smart cookie with a lot of experience.    – English Vocabulary

be bright-eyed and bushy-tailed  informal (full of energy and in a good mood) After a good night’s sleep, he was bright-eyed and bushy-tailed in the morning. Sophia is awake, but she is not bright-eyed and bushy-tailed.  – English Vocabulary