1. Alive V.S. living /live  Alive: not dead 作表语（ afraid, awake, alone, asleep)  If your mother were alive, she would be happy to see your success.  The snake was stiff with cold but still alive.  (2) 做后置定语  She is the greatest writer alive.  Living: alive 前置定语  My uncle is the finest living pianist.  The dead will not know the pain and sorrow of the living.  Live : broadcast while actually happening  CCTV is having a live coverage of the World Cup.

2.  By the way  By way of : (1)via  They are travelling to France by way of London. (2)as sth 作为  By way of introduction, I will explain some of the background.  In a (one ) way; in some ways: to a certain degree  The changes are an improvement in one way.  In the way: causing inconvenience  I am afraid your car is in the way.  Make one ’ s way to : go forward  I will make my way to success some day.

3.  No way ;  No way will I go on working for that man.  Out of way: 不挡道；  Can you move your books out of way; I can not pass it.  Under way: having started and making progress.  The project is now well under way.

4.  Burn with; be full of strong emotion  The soldiers are burning with anger and rage.  Burn the midnight oil: study or work until late at night  She will take her exam next week and she seems to burn the midnight oil these days.  Burn down; burn less brightly or strongly  The room grew colder as the fire burnt down.  Burn sth down: cause sth to be destroyed by fire  The house burnt down in half an hour.

5.  Burn sth off: remove sth by burning  Burn the paint off before painting the door.  Burn out: stop burning because there is no more fuel  The fire had burnt out before the fire brigade arrived.  Burn sth to sth: 烧成某种状态  The house burnt to ashes.

6. anxious  Be anxious for / about : worried  I am very anxious about my son ’ s health.  Be anxious to do sth/ that : be eager to do  She is anxious to meet her on-line friend.

7. guarantee  Guarantee sth to sb  We can not guarantee the punctual arrival of the train to the passengers.  Guarantee to do sth  Mother guaranteed to buy me a special Christmas present.  Be guaranteed to do sth: be certain to do sth  It is guaranteed to rain when you want to go out.

8. warn  Warn sb of sth: give sb notice of possible danger of unpleasant consequence  She has been warned of the danger of travelling alone.  Warn sb about / against sth: 警告提防  The police have warned the bank about an attempted robbery.  Warn sb (not ) to do :  They were warned not to climb the mountain in such a weather. 