It is bad manners to interrupt.（英译中)

It is universally acknowledged that trees are indispensable to us.（英译中)

There is no denying that our living qualities have gone from bad to worse.（英译中)

As for me, the declining of traditional technology and methods is not a bad thing; it is the natural result of progress of society.（英译中)

Is it necessary for me to attend the meeting？（英译中)

We have to play inside because it is raining.（英译中)

I think it would be a kindness to tell him the bad news straight away.（英译中)