in a way that is not definite or certain because you may want to change it later 不确定的；不肯定的；暂定的 They have tentatively agreed to our proposal. 他们已初步同意我们的提议。
in a way that is not done with confidence 踌躇的；犹豫不定的；不果断的 She smiled tentatively. 她腼腆地笑了。