Who cooked this salad ? ✖
Who made this salad ? ✔
cook = 用火加热来烹饪
Your coat is broken.
Your coat is torn.
broken = 坏掉了（break的过去分词）
The floor was covered in broken glass.
torn = (布和纸) 磨损，破洞（tear的过去分词）
My jacket caught on a nail and tore.
It was still bright outside.✖
It was still light outside.✔
bright = 明亮的，通透的（光线充足）
The weather was bright and sunny.
light = 光线，光亮（强调有光）
We could see light coming from under the door.
Little children are difficult to understand that.✖
It is difficult for children to understand that.✔
it is + 形容词 + for sb/sth = 对sb/sth来说……
It's very important for students
to listen to teachers carefully.
下面的英文居然是"It's difficult to find police",