a. 不确定的;暂定的 ≈ provisional ≠ definite
a. 踌躇不决的,犹豫的 ≈ hesitant
I passed on my tentative conclusions to the police. 我把我的初步结论递交给了警方。
The government is taking tentative steps towards tackling the country’s economic problems. 政府正在采取临时性措施来解决国家的经济问题。
I'm taking the first tentative steps towards fitness. 我试探性地开始实施健身计划。
BrE /əˌbriːviˈeɪʃn/