a hand-to-hand fight的用法和样例：
- a hand to hand fight
- I make a point of giving a hand to others.
- I always make a point of giving a hand to others.
- He has always been willing to give a hand to anyone who asked.
- Don't bother buttering up to me. I'm too old a hand to be won over by flattery.
- They were trained to fight hand to hand.