重點講解：
1. work-out
體育鍛煉；體育訓練；
eg. Give your upper body a work-out by using handweights.
用啞鈴來鍛煉上身!8#wf&xH[_]JMH。
2. work on
從事于…；忙于；
eg. Leaders ought to work on sanctioning unethical behavior before it gets to a level that regulators would flag. "
領導者應該努力制裁不道德的行為，避免它惡化到引起監管者關注的地步Q[,HL]5lEuoUm。
eg. The federal government gambled hundreds of thousands of dollars in research funds to work on the project.
聯邦政府為了這項研究計劃冒險動用了好幾十萬美元的資金yT%FChUoOi。
3. sum up
總結；概括；
eg. 'I love my wife, my horse and my dog,' he said, and that summed him up.
他說：“我愛我的妻子、我的馬和我的狗GaZ0R6ZH5n0|。”他大致上就是這么一個人vAWUb.XJSI6bZ。
eg. Obree summed his weekend up in one word: 'Disastrous.'
奧布瑞用一個詞總結了他的周末經歷：“災難At,Q[9v.~BZoF3xCv@。”