rather是什么词性?有什么用法?

rather: [ 'rɑ:ðə ]

ad. 宁可,宁愿,有些,相当

例句与用法:
1. These shoes are rather too big.
这双鞋有点太大了。

2. I would rather stay at home.
我宁可呆在家里。

3. I'd rather walk than take a bus.
我愿意走路而不愿意坐公共汽车。

4. `Some more wine?' `Thank you, I'd rather not. I have to drive home.'
‘再来一点酒好吗?’‘不要了, 我不能再喝了. 我还得开车回家呢.’

5. She'd rather die than lose the children.
她宁可死也不愿失去孩子们.

6. `How about a trip to the coast?' `Rather!'
‘去海滨玩玩好吗?’‘好极了!’

7. I would rather fail than cheat in the examination.
我宁愿考不及格，也不愿意考试作弊。

8. Poultry is rather cheap now.
现在的禽肉相当便宜。

英英解释:
副词rather:

1. on the contrary
同义词：instead

2. to some (great or small) extent
同义词：kind of, kinda, sort of

3. more readily or willingly
同义词：preferably, sooner

4. to a d