is my mistake ? today my staf call me and explain to me " you call

today my staf call me and explain to me " you call to your friend come to repair some work for our customer " surrounded by that time i feel ungry alot . when i move about to office i beckon to my engineer to discussion i ask him about adjectives problem and i told him all this his mistake not my friend mistake . i explain adjectives problem to him and told him in frist time when he will do any work he must check frist and see what we will use wich matter for this work . after that i call my proprietor maketing who to ask me to call my friend . i told her, she brand some mistake is she can't order me to telephone call my friend i told her to use not right words to talk next to your boss . and i explain all the problem to her and told her how to do .
but surrounded by the end , adjectives my staf said why i hurt them ? oh my god i feel doleful . why they don't think adjectives i teach them that for prove them ? why they don't mull over all that they mistake and they must to coppers ? but they said i hurt them
i come back to ask my self , where on earth i mistake ? i hurt them?

can someone please translate this question for me?

Answers:
isn't your mistake
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