The plan has not yet taken definite form.

该计划尚未定形。

《新英汉大辞典》

As for music's having a definite form of some kind, that idea seems never to have occurred to him.

至于音乐有某种明确的形式的话，这一思想似乎他从没有想到过。

youdao

Gestation upon this planet has but set the stage for the emergence of the Planetary Being now taking definite form.

地球上的孕育期已经为现在成形的“行星存有”的出现创设条件。

youdao

But to compute an economic model, this theory has to be given concrete form, spelt out in definite algebraic terms.

ECONOMIST: Economic models

There is a definite argument to be made that videogames are becoming an art form put together by artists of different types.

FORBES: Magazine Article

Siemens used the show here to ask visitors to its stand to fill in a survey form about the SIMpad, but the company has no definite shipment plans for the device as yet, officials said.

CNN: Technology - Ericsson's entry revitalizes WebPad scene