现在进行时（在说话的时候是晚上）Tonight I am watching a ball game on TV with my friends.
一般将来时（说话的时候是上午或者下午）Tonight I will go to the library.
例句
I can easily finish it tonight.
我今晚能毫不费力地把它完成。
I feel like staying in tonight.
今晚我想待在家里。
She\'s hoping to pull tonight.
她希望今晚丰采迷人。
