uncertain

🇬🇧/ʌnˈsɜːt(ə)n/ 🇺🇸/ʌnˈsɜːrt(ə)n/📚 4329 2四级六级高考
If you are uncertain about something, you do not know what you should do, what is going to happen, or what the truth is about something. 不确定的

adjective [原级]犹豫的,无把握的;无法确知的,不确定的;多变的,难预料的;信心不足的;(脚步)蹒跚的,踉跄的

He was uncertain about his brother's intentions.
他对他兄弟的意图心中无数。

uncertain 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Episode 9 It's Up to You ACT II uncertain 形容词: 不确实的
Lesson 5 Youth
Lesson 38 Water and the traveller
un(不)+certain(确定的)→不确定的
单词造句:
网友用“Uncertain”造句精选
They were uncertain of the total value of the transaction. 他们不清楚这笔交易的总额。
He entered the hallway and stood uncertainly. 他走进门厅,站在那儿不知道做什么好。
How much practical help they can give us is uncertain. 他们能给我们多少实际帮助还是个未知数。
It's uncertain whether they will accept the plan. 他们会不会接受这项计划现在还不清楚。
She told him in no uncertain terms to go away. 她非常明确地叫他走开。
Her future is uncertain. 她前途未卜。