4.3

1. 她来得正是时候。
She couldn't have come at a better time.
2. 她心血来潮买了一顶帽子。
She bought a hat on impulse.
3. 这个电影明星除了一幢很大的住宅外还有一辆极好的汽车。
The film star has an incredible car in addition to a large house.
4. 这样难度很大的手术可能不成功，但这是一次非做不可的冒险。
Such a difficult operation may not succeed, it’s an inevitable gamble.
5. 我相信如果你非常好心能撑我一把的话，情况就不一样了。
I am sure that it would change the situation if you are kind enough to lend support to me.
6. It was a day as fresh as grass growing up and clouds going over and butterflies coming down can make it. It was a day compounded from silences of bee and flower and ocean and land, which were not silence at all, but motions, stirs, flutters, risings, fallings, each in its own time and matchless rhythm. （英译汉）
绿草萋萋，白云冉冉，彩蝶翩翩，这日子是如此清新可爱；蜜蜂无言，春花不语，海波声歇，大地音寂，这日子是如此安静。然而并非安静，因为万物以其特有的节奏，或动、或摇、或震、或起、或伏。