- ho-hum
 - ['həu'hʌm]
 - int. 打哈欠时的声音
adj. 沉闷乏味的
vi. 发出嗬哼姆声 
参考例子
           - 1.He ho-hummed when I asked him not to drink.
 - 我一不让他喝酒,他就发出“嗬—哼呣”不耐烦的声音。
 
- 2.Ho-hum, let it slide.
 - 浩嗡嗡声,让它下滑。
 
- 3.Looking different is a great way to jump start a ho-hum day.
 - 给自己打扮打扮,让自己看起来不同,是给平淡的日子充充电的好办法。
 
英文解释
           - adj.
 - 1.so lacking in interest as to cause mental weariness
 
网络释义
               - ho-hum
 - 哈欠声; 打哈欠时的声音; 打哈欠;