The Chinese made a wooden arm to solve this problem some 1,700 years ago.

大约1700年前，中国人制造了木制手臂来解决这个问题。

But it was getting to be time for me to put my fist into somebody's teeth even if all I got for it was a wooden arm.

但现在是我用拳头打别人牙齿的时候了， 即使我得到的只是一条木头手臂。