a. lacking or indicating lack of confidence or assurance
a. not established beyond doubt; still undecided or unknown
a. not certain to occur; not inevitable
s. not consistent or dependable
a. 不确定的, 无常的, 不确信的, 不可预测的
[法] 不确定的, 未定的, 不确信的
1. I am uncertain about which movie to watch tonight.
我对今晚看哪部电影感到不确定。
2. The weather forecast is uncertain, so we should be prepared for rain.
天气预报不确定，所以我们应该做好下雨的准备。
3. She felt uncertain about her decision to change jobs.
她对换工作的决定感到不确定。