uncertain/ʌnˋsɝtṇ; ʌnˈsɜːtn/adj 1 [not before noun 不用于名词前] feeling doubt about something [ unsure ] 不确定的﹐无把握的: +whether/how/what etc She was uncertain whether she would recognize him. 她不敢肯定自己能不能认出他来。+about/of I was uncertain about what to do next. 我拿不定主意接下来该怎么办。2 not clear, definite, or decided [ unclear ] 不清楚的﹔不确定的﹔未决定的: His future with the company is uncertain . 他在公司的前途是个未知数。3 in no uncertain terms if you tell someone something in no uncertain terms, you tell them very clearly without trying to be polite 直截了当地﹐毫不含糊地—uncertainty n [C,U] —uncertainly adv