ho-hum

形容词 ho-hum:

1. so lacking in interest as to cause mental weariness
   同义词：boring, deadening, dull, irksome, slow, tedious, tiresome, wearisome

ho-hum

adj.Informal （形容词）【非正式用语】
Boring and dull; routine:
无聊和乏味的；日常的：
例句：
.a ho-hum speaker who couldn`t capture the attention of the conventioneers.(Chicago Tribune)
.不能吸引与会者注意的差劲的演讲者.(芝加哥论坛报)