英和辞典
  
better中A1
bétərベタ
形容詞
❶(品質・技量などが)もっとよい, もっと上手な  ⦣ good (よい)の比較ひかく級.
反対語worse (もっと悪い)
a better swimmer
a better swimmer
もっと泳ぎのうまい人
This is better than that.
This is better than that.
これはそれよりもよい.
He is much better than me at the high jump.
He is much better than me at the high jump.
高跳とびでは彼は私よりずっと上だ.
This is better than any other camera in the store. (=This is the best camera in the store.)
This is better than any other camera in the store. This is the best camera in the store.
これは店にあるほかのどのカメラよりもいい(店で一番いいカメラだ).
Let's try to make our world better.
Let's try to make our world better.
私たちの世界をもっとよいものにするように努めよう.
  ⦣ make AB (形容詞)は「AをBにする」.
❷(健康状態が)もっとよい  ⦣ well (健康である)の比較級. 名詞の前にはつけない.
feel better
feel better
気分がもっといい
get better
get better
(気分が)もっとよくなる, (病気から)回復する; (事態が)好転する
I feel much better today.
I feel much better today.
きょうは(昨日より)ずっと気分がいい.
Do you feel any better today?
Do you feel any better today?
きょうはいくらか気分がよいですか.
副詞
もっとよく, もっとうまく, もっと  ⦣ well (よく, うまく)の比較級.
反対語worse (もっと悪く)
You speak English much better than we do [than us].
You speak English much better than we do [話 than us].
君は私たちよりもずっと上手に英語を話す.
*会話*
Which do you like better, coffee or tea?—I like coffee better (than tea).
君はコーヒーと紅茶とどちらが好きですか.—私は(紅茶より)コーヒーのほうが好きだ.
  ⦣ better than tea を more than tea とすることもある.
had better dohad better do
had better do
~したほうがよい, ~しなさいよ
✓POINT
You had [You'd] better do は「~しなければだめだよ」という「忠告・命令」の意味になるので, 目上の人などには使わないほうがよい. 否定は had better not do (~しないほうがよい).
We had better call the doctor.
We had better call the doctor.
私たちは医者を呼んだほうがいい.
I'd (=I had) better drive you home.
I'd I hadbetter drive you home.
私は君を車でお宅まで(お送りしたほうがよい)お送りしましょう.
You'd better stay at home than go out on such a day.
You'd better stay at home than go out on such a day.
君はこんな日には出かけないで家にいたほうがいい.
You had better not go there again.
You had better not go there again.
もう二度とそこへ行かないほうがいい.
Hadn't we better go now?
Hadn't we better go now?
私たちはもう行ったほうがよくはないですか.
  ⦣ had better not go のような否定形を疑問文にする時は not が better の前に出ることに注意.
The sooner, the better.The sooner, the better.
The sooner, the better.
早ければ早いほどよい the 副❶