The knife’s blade gleamed dully in the dark.

刀刃在黑暗中幽幽地闪着光。

The sun reflected dully off the stone walls.

阳光朦胧地射到石墙上。

Have a lobar anxiety patient ache dully below long-term right bladebone suddenly, after eliminating other disease, what reason be? How to treat?

有一位肺心病患者突然长胛骨下钝疼，排除其他病症后，是什么原因？怎样治疗？