Help please! very important.. - page 2

LOL was the only part I understood, while "I rest my case" is an idiom known only to a native speaker.

Well, the Forum is all about learning a language

Well, perhaps, but you tend to type in an Australian slang, which is not helping my English very much.

I never use Australian Slang

Never use Slang.

 

"I Rest My Case"  is an American Idiom" 

http://english.stackexchange.com/questions/28933/what-is-the-origin-of-the-phrase-i-rest-my-case 

Being aware of multiple Idioms will definitely help your English eg the third last examle http://esl-bits.net/idioms/id428.htm

What are you endeavouring to express?

I am not the one who could judge English slang properly, I just found this entry when searching for meaning:

Having a lend
An Australian term meaning to be lying to a person for one's own amusement.

http://www.urbandictionary.com/define.php?term=Having%20a%20lend or http://www.slang-dictionary.org/WTbWW/Australian-Slang/Have_a_lend_of

Interesting, I always thought that was a term used generally in the UK and NZ as well as Australia, although still more idiom than slang

https://www.quora.com/What-is-the-difference-between-idiom-and-slang 

1. Try not to use any slang. It is different depending on location.
   
   1. Having a lend only Australian. I had to look it up.
      
   2. Rooting for the home team is what you think it is.
      
   3. Please don't write ur - it's "you are" or "your" - MQL4 forum
      
   4. Even simple things like braces and brackets are different.
      

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2. Please use the link button (control-K) See the difference https://www.quora.com/What-is-the-difference-between-idiom-and-slang