Grammar › N2 · 13 Obligation and permission
〜てはいられない: can't afford to; can't keep on
N2 · 13 Obligation and permission
Says you cannot calmly continue an action, because the situation is urgent.
Verb te-form + はいられない. Used for urgency: 遊んではいられない, のんびりしてはいられない. Compare 〜ずにはいられない (can't help doing).
Examples
試験が近いので、遊んではいられない。
The exam is near, so I can't afford to play around.
こんな大事な時に、のんびりしてはいられません。
At such an important time, I cannot afford to relax.