N2 — outside your level filter

てはいられない

てはいられないte wa irarenaiN2neutral

savor + (and…) + can't afford to just keep doing X

ajiwatte wa irarenai

can't afford to just keep doing X; can't sit still doing X

meaning: can't afford to savor

不正ふせいを知しってしまった以上いじょう、味あじわってはいられない。

fusei o shitte shimatta ijou, ajiwatte wa irarenai.

Once I knew about the wrongdoing, I can't afford to savor. neutral

締しめ切きりが近ちかいから、のんびりしてはいられない。

shimekiri ga chikai kara, nonbiri shite wa irarenai.

The deadline's close, so I can't afford to just relax. casual

Same meaning1

can't afford to keep doing X — must give way to something urgent

不正ふせいを知しってしまった以上いじょう、黙だまってはいられなかった。
fusei o shitte shimatta ijou, damatte wa irarenakatta.
Once I knew about the wrongdoing, I couldn't afford to stay silent. neutral
締しめ切きりが近ちかいから、のんびりしてはいられない。
shimekiri ga chikai kara, nonbiri shite wa irarenai.
The deadline's close, so I can't afford to just relax. casual
病状びょうじょうが悪化あっかしており、悠長ゆうちょうに構かまえてはいられません。
byoujou ga akka shite ori, yuuchou ni kamaete wa iraremasen.
His condition is worsening, so we can't afford to take a leisurely approach. formal

てばかりはいられないtebakarihairarenaialternant
味あじわってばかりはいられない
inserts ばかり before はいられない to stress that the current activity specifically cannot go on — 遊あそんでばかりはいられない, "can't just keep on playing."