incertain
例子
She felt incertain about her choice of career, unsure if it was the right path for her.
她对自己的职业选择感到不确定，不确定这是否是适合自己的正确道路。
His incertain demeanor during the interview raised questions about his qualifications.
他在面试中的不确定态度引发了对他的资格的质疑。
