動詞 stun:

1. make senseless or dizzy by or as if by a blow
   同義詞：stun, stupefy
2. surprise greatly; knock someone's socks off
   同義詞：shock, stun, floor, ball over, blow out of the water, take aback
3. hit something or somebody as if with a sandbag
   同義詞：sandbag, stun
4. overcome as with astonishment or disbelief
   同義詞：stun, bedaze, daze

形容詞 stunning:

1. commanding attention
   同義詞：arresting, sensational
2. causing great astonishment and consternation
3. causing or capable of causing bewilderment or shock or insensibility
4. strikingly beautiful or attractive

1. For today is the concrete expression of a stunning fact, our continuity these200 years since our government began.
   因為今天具體說明了一個非常美好的事實，我國政府自成立以來已延續(xù)二百年了。
2. His plays are distinguished only by their stunning mediocrity.
   他的戲劇與眾不同之處就是平凡得出奇。