请教let's don't tell him请问这句话错在哪

请教let's don't tell him请问这句话错在哪
请教let's don't tell him
请问这句话错在哪

请教let's don't tell him请问这句话错在哪
没有let's don't这个说法,don't 应该提前,改成don't let he know.更好些

let't 后面应该加not哦