Wrong: Don't step on the grass.
Right: Keep off the grass.
Wrong: I get my salary twice a month.
Right: I get paid twice a month..
Wrong: Would you like a drink ?
Right: Would you like something to drink ?
Wrong: Let me examine your pulse.
Right: Let me feel your pulse.
Wrong: I have no exercise talent.
Right: I am not athletic.
Wrong: Don't expect me too much.
Right: Don't expect too much from (of ) me.
Wrong: I know his face.
Right: I know him by sight.
Wrong: I forget my hat in the house.
Right: I left my hat in the house.
Wrong: Lend me some money, for instance 500 dollars, Lin
Right: Lend me some money, say 500 dollars, Lin
Wrong: I have a free time.
Right: I am free.
Wrong: The sun rises from the East.
Right: The sun rises in the East.
Wrong: The thief got in from the window.
Right: The thief got in through the window.