例句：

　　I’ve given up smoking, believe it or not.

　　我已经把烟给戒了，信不信由你。

　　That guy wearing the brown suit is our teacher, believe it or not.

　　那个穿灰色西装的人是我们班主任，信不信由你。

　　Believe it or not, it does work.

　　信不信由你，这确有作用