adj.不確定的；暫時的；試驗性質(zhì)的；猶豫不決的

Could we make a tentative appointment for Friday? 我們能暫時先約在星期五嗎?

We've drawn up a tentative program for the next two weeks. 我們制定了一個之后兩個星期的試探性計劃。

Each step he took was slightly tentative. 他每走一步都有些遲疑不決。

adv.試驗性地；猶豫不決地；暫時地

n.暫時性