adj.实验性的，暂定的，不确定的，不肯定的，踌躇的，犹豫不定的，不果断的
n.尝试，假设，实验

原形：tentative复数：tentatives

We have reached a tentative agreement.
我们已达成了一项初步协议。
I have some tentative suggestions that we need a salary reform.
我有一些不成熟的建议，认为我们需要进行工资改革。
We made some tentative conclusions after the meeting.
会后，我们作出了一些初步的结论。
The plan is still tentative and subject to change.
这个计划仍然不确定，可能会改变。
We have a tentative agreement on the terms of the contract.
我们就合同条款达成了初步协议。
Her decision to move abroad is still very tentative.
她出国的决定仍然很不确定。
The schedule for the conference is tentative until further notice.
会议的日程安排在进一步通知前是暂定的。
Our understanding of the situation is tentative at best.
我们对情况的理解充其量只是暂时的。
He made a tentative attempt to open the locked door.
他尝试着打开那扇锁着的门。
The artist's sketches were only tentative, not final designs.
艺术家的草图只是初步的，不是最终设计。
We have a tentative date for the wedding, but nothing is set in stone yet.
我们有一个婚礼的暂定日期，但还没有确定下来。
The hypothesis is still being tested; therefore, the results are tentative.
假设还在测试中，因此结果是初步的。
She made a tentative reach for the book on the high shelf.
她尝试着去拿书架上那本书。