What’s wrong with believing everything you’re hearing?

Good day to you, Ms. [이름]! It’s good to see that you are making an effort answering the homework that I am giving you. I am looking forward to see you in our class. Keep safe! :)
- Teacher Sophia

It is not wrong but I think I need to confirm about it. If what I heard is really true or not. I got some wrong information from time to time.

>> There is nothing wrong with it, but I think that I need to confirm whether it\'s true or not because I get wrong information sometimes.

Wrong information make broken in people relationships.

>> Wrong information makes people get hurt in relationships.
If it\'s not necessary, I don\'t care about it, but if it will be important, I need to check it.
>> If it\'s not necessary then I don\'t care about it, but if it is important, I need to check it.
I have to call the post office, because my mother sent to me parcel but I didn\'t get it yet.

>> I have to call the post office, because my mother sent a parcel to me but I haven\'t received it yet. 
However when I was tracking my parcel, postman already came my home and he/she put in information \'nobody at home\'.

>> However when I was tracking my parcel, the postman already came to my home and he/she put an information that nobody was at home.

 But I was in home at that time.

>> But I was at home during that time.
So I will have to call the post office, I\'m worried about how to say to them. 

>> So I have to call the post office and I\'m worried on how to say it to them. 

They are often do fault. 

>> They are often at fault.

They did same mistake too before. 

>> They did the same mistake too before. 

Once, my neighbour brought my parcel, the post office man knew wrong my address.
>> One time, my neighbour brought my parcel because the post office got the wrong address.