as

• 接続詞: なぜなら; と共に; しかし; に従って; いつ
• 前置詞; のように; の能力で
• 同様に

古英語のalswaから分化したasとalsoの2つの単語は、意味と文法において徐々に変化を遂げてきた。

as

as: [12] Ultimately, as is the same word as also. Old English alswā ‘in just this way’ was used in some contexts in which modern English would use as, and as it was weakly stressed in such contexts it gradually dwindled to als or ase and finally to as.
=> also

as (adv.)

c. 1200, worn-down form of Old English alswa "quite so" (see also), fully established by c. 1400. Equivalent to so; any distinction in use is purely idiomatic. Related to German als "as, than," from Middle High German also. Phrase as well "just as much" is recorded from late 15c.; the phrase also can imply "as well as not," "as well as anything else." Interjection of incredulity as if! (i.e. "as if that really could happen") is attested from 1995, an exact duplication of Latin quasi.

1. Similes usually start with "like "or " as ".

明喩は通常likeまたは as で始まる.

2.Failure is never quite so frightening as regret do.

失敗よりも恐ろしいのは後悔だ。

毎日一言

3.English has hurt me a thousand times，but I still regard it as my first love.

英語は私を何百回も傷つけて、私は初恋のように英語を待っています。

毎日一言

4.A fellow doesn 't last long on what he has done.He 's got to keep on delivering as he goes along.--Carl Hubbell，Baseball Player

過去に完成したものでは成功を収めることができず、道で成績を出し続けなければならない。dd>
毎日一言

5.The Koran recommends fasting as a penance before pilgrimages.

コーランは、償いとして巡礼前に斎戒することを勧告した。