examples of colloquial expressions
colloquial expressions: characteristic of or appropriate to ordinary or familiar conversation rather than formal speech or writing; informal.

Now can you find some examples?
Veteran Member22,899
Moderator: A super-user who takes care of the forums. You have the ability to message a moderator privately should you wish. These users have a range of elevated privileges including the deletion, editing and movement of posts when needed.Proficient Speaker: Users in this role are known to maintain an excellent grasp of the English language. You can only be promoted to this role by the Englishforums team.

You can learn a lot of colloquial expressions if you have a book titled Common American Phrases in Everyday Contexts.
Contributing Member1,966
Live chat
Registered users can join here