重点讲解：
1. to some extent
在某种程度上；
eg. They don't admire his new technique greatly, but they admire it to some extent.
他们虽不十分佩服他的新技术, 但还是多少有点服气pDZD3vmUHL6x%T_。
eg. To some extent, I can understand their attitude.
我在某种程度上是能够理解他们的态度的d;G,cU^jV_2Q。
2. on the whole
大体上说；总的说来；
eg. On the whole, I'm in favour of the proposal.
总的说来，我赞成这个提议F0q.(%2j7W。
eg. My opinion is on the whole the same as yours.
我的意见大体上同你的差不多R!eBA7RO5dNh*zAJrB。
3. be able to do sth.
能做到…的；
eg. He was able to cast off such an uninteresting task.
他终于摆脱了这么一项乏味的工作s;pT;eD.yKVf。
eg. He was able to fulfil himself through music.
他通过音乐能充分地发挥自己的才能CuU+BrIFFbXs。