I'd
I would,I should,I had の短縮形
I would [I'd] say
((略式))(断言を避けて)私の考えでは,私的には
I'd give anything [my right arm, a lot]
(…があれば/…できれば)どんなにいいだろう≪for/to do≫
I'd stake my life on it
絶対そうだ[間違いない]
I'd be delighted to have you come again.
どうぞまたお越しください(◆別れのあいさつ)
I'd be obliged if you'd meet with me today.
きょうお会いいただければありがたいのですが
I'd better leave here this evening.
今晩ここを立たなくちゃ
I'd do anything for you.
君のためならなんでもします
I'd happily take care of your dog.
喜んで犬を見てあげる
I'd hate (for) my husband to know about this.
夫にこのことは知られたくない