She was very collected and sure of herself.
问题描述:
She was very collected and sure of herself.
答
她非常镇静并相当自信。
答
她非常镇静并相当自信。
be sure of 对...确信
Do you understand?
答
她对自己很自信/
答
她非常泰然自若,并且很自信。
答
她非常镇静并相当自信