【正文】 　(2)to get…為表示目的的不定式短語，相當(dāng)于一個從句。　　在discover前面加上accidentally更加強(qiáng)了“偶然”、“意外”的含義。　　 a mess! 真是糟糕透了!　　在口語中，a mess可以用來指“困境”、“窘境”、“一團(tuán)糟”等含義：　　I made a mess of my exam.　　我考試考得一團(tuán)糟?！　?1)it為先行主語，代指to persuade引導(dǎo)的不定式短語。that引導(dǎo)的這個名詞從句也可以寫成that the fire was not started by a cigarette end。這個短語是個慣用語：　　I lost my way in the forest, and to make matters worse, it became dark.　　我在森林里迷了路?！　?can sit here in your spare time and read the carpet!空閑時你可以坐在這兒讀地毯!　　spare可以表示“空閑的”、“多余的”：　　I like to read in my spare time.　　我空閑時喜歡讀書?！　?noticed the remains of a snake which was wound round the electric wires of a 16,000volt power ，000伏高壓線上的一條死蛇?！　ake some jam if you want to, but don’t make a mess in the kitchen.　　你如果愿意就做些果醬，不過別把廚房弄得一團(tuán)糟?！　?took me ten minutes to