She is quite sure of herself.

她对自己很自信。

Maybe she doesn't feel very sure of herself in her new school.

也许她在新学校里感觉不太自信。

She felt fairly sure of herself now.

她现在对自己相当有把握了。

Nicole felt surer of herself now.

妮可现在对自己更有信心了。

" We've discussed the possibility many times." " The old woman seemed so sure of herself, " Paul said.

“我们已经讨论过很多次这种可能性了。老妇人似乎对自己很有信心，“保罗说。

She looked playful and eager, but not quite sure of herself, like a new kitten in a house where they don't care much about kittens.

她看起来俏皮而热切， 但对自己不太自信， 就像他们不太关心小猫的房子里的一只新小猫。

However it might be, his mother came round, was drawn over to his point of view. Oh, she was so little sure of herself yet; the world had not quite lost its hold on her.

不管怎样，他的母亲回过神来，被他的观点所吸引。哦，她对自己还不够自信；世界并没有完全失去对她的控制。