To be thankful or grateful for one's good luck usually while avoiding a bad situation
You should count your lucky stars as you managed to avoid that violent car accident.
To punish someone or something harshly
He's a really strict teacher, so he'll definitely lower the boom on you if you don't do your homework.
To be cautious; to plan ahead instead of taking a risk
I like to err on the side of caution and always keep some money in my savings account.
Anticipate doing something with great eagerness, eagerness or excitement
I was licking my chops when I smelled grilled steak.
To change someone or something into the good condition that you would like
No one can whip your body into shape if you don't discipline yourself to exercise.
1. To avoid answering difficult questions
2. To act or behave in a correct and appropriate manner
1. He keeps playing a straight bat when his mom asked who broke the vase.
2. He has earned respect from surrounding people for playing a straight bat.