答：play with sb.是“和某人玩耍”的意思。例如：
He is playing with his friends outside.他正在外面和朋友们玩。
play with sth.是“玩弄某物”的意思。例如：
The boy is playing his new toys.那个男孩在玩他的新玩具。
play with sb.
和某人玩;与某人一起玩;与某人玩;和某人一起玩;和某人玩耍
造句：.
'Play with us!' the children clamoured.
I hope you will play with her.
play with sth
玩某物;玩弄某物
造句：Children like to play with water.
The young girl loved to play with her playmates.