重点讲解：

1.give me a hand帮把手
Come and give me a hand in the garden
到花园里来帮我一把C&.#(X&mQky.。

2.reach for伸手去取

A man in the gangway suddenly stood up to reach for something in the overhead locker.
靠通道坐的一名男子突然起身去拿头顶上方行李舱里的什么东西rDJDO&*TpnJa^E。