I think I'd better go now.
我想我最好現在就走。
I came last but one in the race.
我賽跑得了倒數第二名。
I like to be on my own sometimes.
有時候我喜歡一個人待著。
I don't feel I've accomplished very much today.
我覺得我今天沒干成多少事。
I never realized you could be so calculating.
我真沒有想到你會這樣有心計。