fair例句

I have a fair idea of how difficult things can be.
我大致了解情况会有多困难。

The team also won praise for sportsmanship and fair play.
该队还因其良好的体育精神及公平竞争精神而受到了表扬。

It's a fair guess to say that the damage will be extensive.
说损失会很严重想必猜得不错。