Select the most appropriate meaning of the given Idiom:-

Gird up the loin 

Being ready to do something

The most appropriate meaning of the idiom "gird up your loins" is being ready to do something. The idiom comes from the idea of tucking your tunic into your belt, which was a way of preparing for physical activity. In a figurative sense, to say that you "gird up your loins" means that you are getting ready to do something, often something difficult or challenging.

The other options are not as accurate descriptions of the meaning of the idiom. Washing the clothes is not typically associated with the idiom "gird up your loins." Hard work is not the same as being ready to do something. Extremely difficult task is not typically associated with the idiom "gird up your loins."