Example: Lou returned to work three days after getting out of the hospital for heart surgery. He's a tough cookie!
Note: You may be the variation "one tough cooke."

1) someone's means of support; the way someone makes money to live on
Example: Jane's novels earn her just a few hundred dollars a year. Teaching fiction writing at the local university is her bread and butter.

2) the main way a company makes money; a company's main business
Example: Google has many different business activities, but selling ads is still their bread and butter.

Example: "Do you think José will be willing to leave his job at Hewlett-Packard to work for us?" - "Yes, money talks."

Example: With offerings like lobster pizza and fried chicken pizza, Paolo's Restaurant is not your run-of-the mill pizzeria.

Example: We stuffed our faces at the all-you-can-eat brunch this morning. We probably won't be eating again today.

Example: I'd love to have another slice of pie, but I'd better not. I'm watching my waistline.

Example: Kristen put on a few pounds over the holidays, so now she's on a diet.

Example: Wendy and Mike fight all the time, so I wouldn't be surprised if they break up.

Example: Alex just got divorced. He's not quite ready to be on the dating scene.

Example: After gaining 10 pounds over the holidays, Dana decided to join a fitness club and get in shape.

Example: Paul has been working out at the gym every evening since his girlfriend told him he had love handles.

1) silly or naughty actions
Example: The principal walked into the classroom to find the kids dancing on their desks. "Stop your monkey business!" she said. "Your teacher will be here in a few minutes."

2) unethical or illegal behavior
Example: The governor fired his deputy after he discovered her monkey business. She had accepted $200,000 from a construction company in exchange for awarding them government contracts.

1) to stop thinking or talking about a certain subject
Example: We've been talking about the sales strategy for 45 minutes. We need to move on to another topic now.

2) to recover emotionally from something
Example: Jerry was depressed for months after his girlfriend left him, but now he's finally ready to move on.

Example: Seeing Joe made me nervous because I hadn't seen him since I won the promotion he wanted. Fortunately, he told me that was water under the bridge.

Example: You just met Rob two months ago, and now you're talking about marrige? Don't you think you're rushing into things?