Question

tentative n.试验,假设 adj.试验性的,试探的,尝试的,暂定的 Tentative, from the Latin tentātīvus "testing, trying," always describes something that is uncertain. If you make a tentative appointment, write it down in pencil, not pen, because it might have to be changed. Here the opposite of tentative is definite or set. If someone gives you a tentative smile or nod, the person feels hesitant or unsure about something. In this case, its opposite is confident. ★★☆☆☆ 2004.0

Accepted Answer

['tentətiv] Choose the adjective tentative to describe something you are unsure or hesitant about. On Monday, you can make tentative plans for the weekend, but it's too early to commit to one party or another. All theories, however, are tentative and are subject to criticism. 1[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](协议、计划、安排)暂行的，临时的，试探性的 Tentative agreements, plans, or arrangements are not definite or certain, but have been made as a first step. Political leaders have reached a tentative agreement to hold a preparatory conference next month...政治领导人已就下个月举行预备会议达成初步协定。Such theories are still very tentative.这种理论仍然是探索性的。tentativelyThe next round of talks is tentatively scheduled to begin October 21st in Washington.下一轮会谈暂定于10月21日在华盛顿开始。2[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]踌躇不决的；犹豫的 If someone is tentative, they are cautious and not very confident because they are uncertain or afraid. My first attempts at complaining were rather tentative...我刚开始投诉时很犹豫不决。She did not return his tentative smile.她并没有对他怯生生的微笑作出回应。tentativelyPerhaps, he suggested tentatively, they should send for Dr Band.他小心地建议道，也许他们应该让人去请班德大夫。

英语单词	tentative
英美音标	['tentətiv]
中文释义	n.试验,假设 adj.试验性的,试探的,尝试的,暂定的
vocab简明	Choose the adjective tentative to describe something you are unsure or hesitant about. On Monday, you can make tentative plans for the weekend, but it's too early to commit to one party or another.
vocab扩展	Tentative, from the Latin tentātīvus "testing, trying," always describes something that is uncertain. If you make a tentative appointment, write it down in pencil, not pen, because it might have to be changed. Here the opposite of tentative is definite or set. If someone gives you a tentative smile or nod, the person feels hesitant or unsure about something. In this case, its opposite is confident.
真题原句	All theories, however, are tentative and are subject to criticism.
柯林斯星级	★★☆☆☆
柯林斯解释	1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](协议、计划、安排)暂行的，临时的，试探性的 Tentative agreements, plans, or arrangements are not definite or certain, but have been made as a first step. Political leaders have reached a tentative agreement to hold a preparatory conference next month... 政治领导人已就下个月举行预备会议达成初步协定。 Such theories are still very tentative. 这种理论仍然是探索性的。 tentatively The next round of talks is tentatively scheduled to begin October 21st in Washington. 下一轮会谈暂定于10月21日在华盛顿开始。 2 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]踌躇不决的；犹豫的 If someone is tentative, they are cautious and not very confident because they are uncertain or afraid. My first attempts at complaining were rather tentative... 我刚开始投诉时很犹豫不决。 She did not return his tentative smile. 她并没有对他怯生生的微笑作出回应。 tentatively Perhaps, he suggested tentatively, they should send for Dr Band. 他小心地建议道，也许他们应该让人去请班德大夫。
来源	2004.0

Tentative Unsure Hesitant Make Opposite Definite Confident Adj Graded