amazed 是指 驚訝的（指人自己感到驚訝）
amazing 是指 令人驚訝的（指讓別人感到驚訝）
舉一個(gè)例子就很清楚了.
He has an amazed look on his face.他的臉上呈現(xiàn)出驚訝的表情（“他”感到驚訝）
He has an amazing look on his face.他臉上的表情令人感到驚訝（“他”的表情使看到的人覺(jué)得驚訝）
這一類由動(dòng)詞變形過(guò)來(lái)的形容詞的規(guī)律是,動(dòng)詞的過(guò)去分詞做形容詞時(shí),指的是當(dāng)事人的感受.動(dòng)詞的ing形式作形容詞時(shí),指“令人感到……”
如：On hearing the news,he had a confused look 聽(tīng)到這個(gè)消息,他的臉上呈現(xiàn)出疑惑的表情
He ought to be happy,however,his sorrow look is really confusing.他應(yīng)該感到開(kāi)心的,但是他臉上的悲傷表情著實(shí)讓人感到疑惑.