持续的疼痛日夜折磨着这位老人。

The constant pain ___torments the old man day and night.

那只苍蝇不停地在我耳边嗡嗡叫，真是烦死人了。

The fly kept ___tormenting me by buzzing around my ears.

失去挚爱后，他陷入了无尽的痛苦之中。

After losing his loved one, he fell into endless ___torments.