Как по Английски будет 不完美的

adjective

Not perfected; imperfect, flawed; not fully developed, realized, or completed.

adjective

Of a note: capable of being made imperfect.

adjective

Relating to or denoting an aspect of verbs in slavic languages that expresses action without reference to its completion.

Примеры использования:

Different kinds of complements and modifiers can often coerce a perfective or an imperfective readi…

noun

The imperfective aspect.

Примеры использования:

In the slavonic languages, the perfective and imperfective are signalled by inflections on the verb…

adjective

Not perfective.