Examples:

• Jane, is that enough time for an edit?
• Is that enough time to sabotage a plane?
• Is that enough time to plant evidence?
• Is that enough reason to take that chance?
• Now, is that enough to send you back to your bed?
• Do you want a fourth crew or is that enough?
• Well, Bart, is that enough of a sign for you?
• Yes, and I him, but is that enough?