It reminds me of my college lief.
这使我想起来我的大学时代。
Frankly, I'd just as lief stay.
坦白地说，我愿意留下来。
(` lief' is archaic) very willing.
（'lief'是古语）非常愿意。
It's very quiet upstairs; they must be up to some mischief!
楼上很安静。他们一定在搞什么恶作剧。
The little lad was a real handful. He was always up to mischief
这个小家伙真是难管教，他总是搞恶作剧。