/ˈvɪdʒ.əl/
a period of time when people stay awake, especially at night, in order to watch a sick person, say prayers, protest, etc. （看护病人、祷告、抗议等的）不眠时间；（尤指）值夜，守夜祈祷
His parents kept a round-the-clock vigil at his bedside.
他父母日夜守护在他的床边。
His parents kept vigil beside his bed for weeks before he died.
Supporters of the peace movement held an all-night candlelit vigil outside the cathedral.