Idioms with explanations:
- To clam up: It means stop talking;
2. To chicken out: When you do not want to do something because you are scared;
3. To kill two birds with one stone: Two things done with one effort;
4. To have ants in one’s pants: It means when you have a lot of energy in your body;
5. The birds and the bees: It is a expression to talk about sexual education.