Saw v. & n. 锯
He sawed through a power cable by mistake.
Saw v. 拉锯般地来回移动
He was sawing away at his violin, making a terrible noise!
Have seen better days
My old car has seen better days, but at least it's still running.
See things 产生幻觉
Lisa says that she saw a ghost, but she was just seeing things.
See/get the joke 明白笑点所在
Everyone else laughed loudly, but I didn't see the joke.
See a man about a dog
Now, if you'll excuse me, I need to go see a man about a dog.