headn.头；头部；头脑；脑筋；(人或动物的)一头长，一头高；
handn.手；用…手的；用…只手的；帮助；协
Those children need a firm hand to make them behave.
那些孩子得严加管教。
Do you want me to come along and hold your hand?
你想让我过去帮你一把吗？
He must be going soft in the head.
他一准是脑子出毛病了。
水利万物而不争,
而万物莫能与之争。
