1. None knew how hard it had been, except Ron and the friends I'd told I was HIV-positive.
    除了知道我是艾滋病毒阳性的罗恩和几个朋友，没有人知道这是多么的不容易。

2. His ardor was contagious; soon everyone was eagerly working.
    他的热情很有感染力, 一下子大家都热火朝天地干了起来。

3. He seems to be averse to hard work.
    看来他不愿做艰苦的工作.

4. He succeeded by dint of hard work.
    他通过辛勤努力获得成功.

5. His ardor was contagious; soon everyone was eagerly working.
    他的热情很有感染力, 一下子大家都热火朝天地干了起来。

6. He´s working on the enlargement of the business.
    他正在努力扩展业务.

7. His mystic conduct is hard to understand.
    他的神秘行为令人难以理解。

8. He´s a French national working in Italy.
    他是在意大利工作的法国人.

9. He pushed hard on the brake pedal to avoid a collision.
    他使劲踩下刹车踏板以避免撞车。

10. He worked so hard that the weariness pervaded his whole body .
    他努力工作，以致全身疲倦。