A curious friendship theirs must have been: a pointed illustration, indeed, of the old adage that " extremes meet" .

他们之间一定存在一种奇怪的友谊：确实是对“物极必反”这句古老格言的一个尖锐的例证。

The Doctor wheeled slowly round in his chair, with a smile that seemed to accuse her of an epigram; but extremes meet, and Catherine had not intended one.

医生在椅子上慢慢地转过身， 脸上带着微笑， 似乎在指责她的警句。 但极端相遇， 凯瑟琳并不打算这样做。