bore the pants off
US /bɔr ðə pænts ɔf/
UK /bɔr ðə pænts ɔf/

1.
无聊透了, 使人极度厌烦
to bore someone intensely; to be extremely boring to someone
:
•
That lecture really bore the pants off me.
那场讲座真是把我无聊透了。
•
His stories always bore the pants off everyone.
他的故事总是把大家无聊透了。