Laura's attempt at trying to use an English idiom reveals that she is eager to try English phrases and expressions.
She says "There's no use trying to drink spilt milk," and even though her use of the idiom is incorrect (it should be - there's no use crying over spilt milk), she still really wants to try and better her English speaking skills, which is always quite commendable.
Answer: Usage Dictionary
is defined as the way that something is being used, or to the proper way to make use of something such as a word or phrase or tool.
Just Google this, tons of good answers there. Just don’t plagiarize, it can be obvious and get you in trouble.
Also for future reference, very little amount of people will write you a whole essay for 5 points lol.
Good luck though dude