impossible

名词 impossible:

1. something that cannot be done

形容词 impossible:

1. not capable of occurring or being accomplished or dealt with
2. totally unlikely
   同义词：inconceivable, out of the question, unimaginable
3. used of persons or their behavior
   同义词：insufferable, unacceptable, unsufferable

1. It's almost impossible to find him in the immense ocean.
   在无边无际的海洋中要找到他几乎是不可能的。
2. It's impossible to tell who will win the next election.
   下届选举谁能获胜无法预知。
3. Apparently impossible feats are now accomplished by science.
   许多看起来不可能的伟大业绩现在已经由科学实现了。
4. Absolutely impossible!
   绝对不可能的！
5. It's impossible for us to finish the work in one day.
   我们在一天之内完成这份工作是不可能的。
6. You are the most impossible person I've ever met!
   你是我遇到的最难以忍受的人！

im.pos.si.ble

adj.（形容词）
Incapable of having existence or of occurring.
不可能的：不能存在或发生的
Not capable of being accomplished:
不可能完成的：
例句：
an impossible goal.
不可能达到的目标

Unacceptable; intolerable:
不能接受的；不能忍受的：
例句：
impossible behavior.
不能接受的行为

Extremely difficult to deal with or tolerate:
难应付的：极难处理或忍受的：
例句：
an impossible child; an impossible situation.
讨厌的孩子；棘手的状况

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin impossibilis
源自 拉丁语 impossibilis
in- [not] * see in-
in- [不] *参见 in-
possibilis [possible] * see possible
possibilis [可能的] *参见 possible

【引伸】
impos.sibly
adv.（副词）