不一定 meaning in English
uncertain; not sure; not necessarily so
Examples
- Successs is possible but hardly probable .
成功是可能的，但不一定。 - Time does not always heal old sores .
时间不一定能医治心灵的创伤。 - Happiness is not always annexed to wealth .
财富不一定会带来幸福。 - The time expression is not obligatory .
不一定要有表示时间的词语。 - All wood is not hard ; some wood is soft ...
木料不一定都硬，也有软的。