sure
adj. /ʃʊr/ A1
确信的；肯定的
Certain that something is true, or without any doubts.
仙境例句
Alice was not sure who she was, as she had changed so many times since morning.
爱丽丝不确定自己是谁了，因为从早上起她已经变了好多次。
原著这一句
I’m never sure what I’m going to be, from one minute to another!
我从这一分钟到下一分钟到底会变成什么样子，自己从来都拿不准！
卡罗尔原著 · 第 5 章