Select the most appropriate meaning of the highlighted idiom in the given sentence.
Their relationship has run into rough weather ever since they fell in love with the same girl.

Correct option is A

The correct meaning of the idiom "Their relationship has run into rough weather" is "experienced difficulties."
· The idiom "run into rough weather" metaphorically means encountering problems or difficulties, similar to a ship facing turbulent conditions at sea.
· Example: The project ran into rough weather when the funding was cut unexpectedly, similarly using the idiom to describe encountering significant challenges.
· Other options:
· (b) brought cool breeze and rains, (c) become stronger and firmer, and (d) become pleasant and cordial all misinterpret the metaphorical use of "rough weather," which typically does not imply positive developments.