sentence:
  I will have to try that./I caught the last bus./It doesnot make sense.
  I could hardly speak./I am very proud of u./Make yourself at home.
  My gratitude is more than I can express in words.

key words and expressions:
  pollution         污染,沾污                    bitterly        苦苦地,悲痛的
  settle down    定居,平静下来             gratitude       感激之情,感谢的心情
  situation         情形,境遇                     mediterranean   被陆地包围的
  continually      不断地,频繁地            continuously    不断地,连续地
  bitterly cold    刺骨的冷                     quarrel         吵架,反目,怨言
  hardly when..  未...就..                        no sooner       一旦...立即...
  as if                就像(后加虚拟语气)   as though       好像,仿佛
  though            虽然,可是                    Arabic          阿拉伯的
  even though    即使                             dream of        梦想,梦幻(后跟动名词)
  no sooner than  ===  as soon as ...                一...就...

Pattern:
  The situation has settled down.               //平静下来
  She settled herself down in a chair with a cup of tea.
  They quarreled continually.      //频繁
  They have quarreled continously for more an hour.  //不断地

Syntax:
  She looed at me as if I were a stranger.    //虚拟语气
  It looked as though it were going to rain. 
  No sooner had I entered the room than the telephone rang.
  I had no sooner entered the room than then telephone rang.
  Hardly had I known him well enough when he began to greet me like an old friend.
  I had hardly known him well enough when he began to greet me like an old friend.