请帮忙翻译这几句简单句子.

1.I'm not good at sing.
2.You sing really well.
3.I'm out of tone.
4.KTV rooms should be booked one day in advance. We failed to get there in time and the room was occupied by others. So there is no room for us now.

I don't sing well.
You sing beatifully.
I'm out of tone.
The booking of KTV should be made ahead of one day.We didn't arrive at the time of booking,so the room was given to others.Therefore,we didn't get a room.

1.I am bad in singing
2.you sing so well
3.I am out of tune
4.We have to make advance booking, if we don't arrive on time, the room will be released to others, by then we will have no rooms.

i'm not a good singer
your sing really well
i was off key
booking of the KTV room should be made on the previous day. we didn't arrive on the hour, and therefore the room was given to others and we don't have a room.

1.I sing is not pleasant to the ear.<