IS IT GOOD TO USE THE PHRASE(chi si wo le!)SHOWING ANGRY MOOD.BECAUSE IT CONTAIN WORD"si" I

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qi si wo le !
not every word which contain 'si'  is showing angry mood. 'si' here is express a deep  level. 
like 'xiao si wo le(笑死我了)'  means  'I nearly died laughing' .
'tian si le(甜死了)' means 'much too sweet '
and 'gao xing si le (高兴死了)' means 'be extremely happy',,,  and so on...

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I usually use it , when something pissed me off.. and I think it's ok if you use it..

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it is ok ,i guess. 
 because here  you die ,not other people (joking )
 just if you cant pronounce it correct , it can be a bit funny . O(∩_∩)O

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I usually use it , when something pissed me off.. and I think it's ok if you use it..

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It should be "qi si wo le". :) 
I think it equals to "it pissed me off" in English and it's ok to say that. Elise has answered for the reason.

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