never

副词 never:

1. not ever; at no time in the past or future
   同义词：ne'er
2. not at all; certainly not; not in any circumstances

1. We never flinch from difficulties.
   在困难面前我们决不退缩。
2. I will never forget your kindness.
   我永远忘不了你的好意。

nev.er

adv.（副词）
Not ever; on no occasion; at no time:
从未：从未；不在任何场合；未曾：
例句：
He had never been there before. You never can be sure.
他以前从未到过那里。你永远不能确定

Not at all; in no way; absolutely not:
根本不；决不；绝对不：
例句：
Never fear. That will never do.
绝不要怕。那绝对不会发生

来源：
Middle English
中古英语
from Old English nôfre
源自 古英语 nôfre
ne [not] * see ne
ne [不] *参见 ne
ôfre [ever] * see aiw-
ôfre [曾] *参见 aiw-