a dull lackluster life是什么意思？

a dull lackluster life

沉闷、黯淡的生活

dull

adj. 钝的，迟钝的，呆滞的，阴暗的；v. 缓和，减轻，使阴暗；

例句
I took a deathly dull job.
我接受了一份极其枯燥的工作。

lackluster

n. 无光泽，暗淡；adj. 无光泽的，暗淡的；

例句
He has already been blamed for his party's lackluster performance during the election campaign.
他的政党在竞选活动中表现平平，他因此已受到指责。

life

n. 生活，生计，生命，性命，一生，寿命，人生，尘世；

例句
In his later life he became even more absent-minded.
他晚年变得愈加健忘了。