tear a button的用法和样例：
- Will you stitch a button on this shirt?
- But during those one or two days, whenever he was with her, he'd either be afraid of suddenly tearing a hole in his sock or worried a button somewhere would come loose.
- He pushed a button and set the machine in motion.
- A button has come off your coat.
- I once saw a man tear a telephone directory in half.
- The boss will really tear a strip off you if he finds out what you've done.