Select the most appropriate meaning of the given Idiom:-

"To keep one’s head above water   "

An ability to manage difficult situation 

The most appropriate meaning of the idiom "to keep one's head above water" is an ability to manage difficult situation. The idiom comes from the idea of someone who is struggling to stay afloat in water. In a figurative sense, to say that someone is "keeping their head above water" means that they are able to cope with a difficult situation and not let it overwhelm them.

The other options are not as accurate descriptions of the meaning of the idiom. Swimming across a river is not the same as managing a difficult situation. Keeping head out of water while swimming is not typically associated with the idiom "to keep one's head above water." To end hostility and become friendly is not typically associated with the idiom "to keep one's head above water."