bore the pants off

US /bɔr ðə pænts ɔf/
UK /bɔr ðə pænts ɔf/
"bore the pants off" picture
1.

退屈でたまらない, うんざりさせる

to bore someone intensely; to be extremely boring to someone

:
That lecture really bore the pants off me.
あの講義は本当に退屈でたまらなかった
His stories always bore the pants off everyone.
彼の話はいつもみんなを退屈させる