例句：
It wasn't a ghost; it was a real person.
那不是鬼魂，是实实在在的人。
Leo made it sound so easy. But it wasn't.
利奥把这事说得好像挺简单，其实不是那么回事。
It is my duty to report it to the police.
把这事报告给警方是我的责任。
It wasn't serious—it was all done in fun.
那不是认真的，全是闹着玩的。
I didn't get it because it cost too much.
因为那东西太昂贵我没买。