足りない
There isn't enough time.
時間が足りないです
There isn't enough time for the meeting.
会議の時間が足りないです
There isn't enough time for today's meeting.
今日会議の時間が足りないです
There isn't enough time for today's meeting to discuss all the important items.
今日重要な案件をすべて話し合うには会議の時間が足りないです
There really isn't enough time for today's meeting to discuss all the important items.
今日重要な案件をすべて話し合うには会議の時間がとても足りないです