形容詞 furthest:

1. (comparatives of `far') most remote in space or time or order
   同義詞：farthermost, farthest, furthermost, utmost, uttermost

副詞 furthest:

1. to the greatest degree or extent or most advanced stage (`furthest' is used more often than `farthest' in this abstract sense)
   同義詞：farthest
2. to the greatest distance in space or time (`farthest' is used more often than `furthest' in this physical sense)
   同義詞：farthest

1. That's the furthest thing from my mind. They explored the furthest reaches of space.
   我只能想這么多了。他們在太空探險(xiǎn)到最遙遠(yuǎn)的地方
2. Our house is the furthest away.
   我們的房屋是離這里最遠(yuǎn)的一座。

fur.thest

adj.（形容詞）
far的最高級(jí)
Most distant in degree, time, or space:
最深最遠(yuǎn)的：程度上最深的，時(shí)間或空間上最遙遠(yuǎn)的：
例句：
That`s the furthest thing from my mind. They explored the furthest reaches of space.
我只能想這么多了。他們在太空探險(xiǎn)到最遙遠(yuǎn)的地方

adv.（副詞）
far的最高級(jí)
To the greatest extent or degree:
在最大范圍或程度上：
例句：
went the furthest of all the children in her education.
在所有孩子當(dāng)中她是受教育最多的

At or to the most distant point in space or time:
最遠(yuǎn)地：距離或時(shí)間上最遠(yuǎn)的：
例句：
He swam the furthest.
他游得最遠(yuǎn)

來源：
Middle English
中古英語
from further [more distant] * see further
源自 further [更遠(yuǎn)的] *參見 further