i是什么意思单词

I think I'd better go now.

我想我最好现在就走。

I came last but one in the race.

我赛跑得了倒数第二名。

I like to be on my own sometimes.

有时候我喜欢一个人待着。

I don't feel I've accomplished very much today.

我觉得我今天没干成多少事。

I never realized you could be so calculating.

我真没有想到你会这样有心计。