| Idiom | Meaning |
|---|---|
| a hard nut to crack | something that is very difficult to understand or solve |
| to lay an egg | to make a mistake or fail at something |
| to have a finger in the pie | to be involved in something, often for personal gain |
| jam today | a situation when you get something good right now but not later |
| to spill the beans | to tell a secret by accident |