他不得不忍受长时间的孤独。

He had to ___suffer long periods of loneliness.

这家餐厅的服务质量在疫情期间明显下滑。

The restaurant's service quality began to ___suffer during the pandemic.

父母不允许孩子在餐桌上玩手机。

Parents won't ___allow their children playing phones at the dinner table.