你做什么了？ 你 you 做 do 什么 what what did you do？ At there 了 stands for past tense.

Why you dont use unhonorific suddenly. unhonorific is 반말。말，as we all know，it means sentence.반 is Chinese word related to 半（half）.So 반말 means 半語.At there，it refers to unhonorific which means the words that is disrespect.In Japanese and Korean，there are very important parts in language which is ending auxiliary，I guess that the sentence you related to have disrespect ending auxiliary.

1.可是当然，我们不会这么说，因为but还有但、但是的意思，所以 but of course，我们会说成 但当然..... 举例：总体来说那样做是正确的，但当然也要根据不同人的身体条件来做。 2.走下楼梯 语法上，这句话一点错误都没有，但是我们中国人习惯把“走下”这个动词省略为“下”，这里“下”充当动词。所以走下楼梯经常说“下楼梯”. 举例：下楼。 下车。 下去啊。

...（adj） thing

We Chinese always mention 四书五经，in there 五经 is made up of 《诗经》《尚书》《礼记》《周易》《春秋》.If we use 经 only，it will stands for 诗经【Shi Jing(Classic of Poetry)】. But according you said “他的门徒就想起经上记着说 ，我为你的殿，心里焦急 ，如同火烧 ”，I judge that it is 圣经（BIBLE） in there.If you saw 门徒 in composition，it would must be 圣经（bible） or 可兰经（Koran） in common.Because only these 2 religious books have more payers.

不请自来 has expansion meaning.It is always situation like that you dont like someone but he/she appears where you dont want he/she appears.

It is so difficult to translate it naturally.I just make great efforts to translate it. I dont invite you but you come that disturb my life suddenly.If this behavior dont make me nasty，it would be said that make me pleasant？

A verb through adding -는 것에요 to become a noun. 자다. sleep.V 자는 것 sleep.N 그가 잠을 잡디다. He sleeps. 그가 잠을 자는 것이에요. He sleeps. Sometime,we need to make the verb to become noun,we can use it.