1.to the contrary 意思是“相反的（地）” 他是對(duì)事物的評(píng)判.
詞性：一般做后置定語(yǔ)
如：I shall continue to believe it until I get proof to the contrary.
在我未得到相反的證據(jù)之前,我會(huì)繼續(xù)相信它.
If you don't hear something to the contrary I'll meet you at seven o'clock tonight.
如果你沒(méi)有接到變更的通知,那么我們就定于今晚七時(shí)見(jiàn)面
2.on the contrary 意思是“而是恰恰相反” 指得是對(duì)上文關(guān)系的轉(zhuǎn)折
詞性:整個(gè)詞組做狀語(yǔ)
如：I thought the test must have been difficult. On the contrary it was easy.
我原以為那場(chǎng)考試一定很難,但恰恰相反,它很簡(jiǎn)單.
He is not poor, on the contrary, he is a millionaire.
他不窮, 相反, 他是個(gè)百萬(wàn)富翁.
希望能幫到樓主O(∩_∩)O