足り

足り

"足り" means "to be sufficient" or "to be enough."

足りる is used as a verb meaning 'to be sufficient' or 'to be enough.'

彼にはそれで足りるでしょうか。

Will that be sufficient for him?

足りない is the negative form of 足りる, indicating insufficiency.

予算が足りないのでプロジェクトは進められない。

The project cannot proceed because the budget is insufficient.

足りない is used here to express inadequacy in terms of time.

1時間だけでは、準備の時間としては足りないと思う。

I think one hour is not enough for preparation time.