The plan has not yet taken definite form.

该计划尚未定形。

《新英汉大辞典》

She considers that it is too early to form a definite conclusion.

她认为现在下确切的结论还为时过早。

《牛津词典》

To take on a definite shape or form. Often used with up or into.

用…形式采用一种确定的形式或格式。

youdao

To take on a definite shape or form. Often used with up or into.

用…形式采用一种确定的形式或格式。

youdao