humdrum /ˈhʌm.drʌm/ n./adj. 枯燥的; 平淡无聊的; 单调乏味的
Meaning: boring because it is always the same

1) 词源: hum 连续低沉的声音
2) 词源: drum 鼓
e.g. My job has become rather humdrum. 我的工作变得相当枯燥。
e.g. He wanted to escape his humdrum life. 他想摆脱单调的生活。
常见搭配:
● humdrum life 平淡乏味的生活
He dreamed of adventure beyond his humdrum life. 他梦想着去经历冒险,逃离他那平淡乏味的生活。
● humdrum routine 单调的日常
She wanted a break from her humdrum routine. 她想从单调乏味的日常生活中暂时休息一下。
● humdrum existence 枯燥的人生
He feared a lifetime of humdrum existence. 他害怕自己会过上一辈子平淡无聊的生活。
● humdrum job 枯燥的工作
He quit his humdrum job to travel the world. 他辞掉了那份枯燥乏味的工作,去环游世界。