辣: hot (spicy), pungent, (of chili pepper, raw onions etc) to sting, to burn...
下手: to start, to put one's hand to, to set about, the seat to the right of the main guest...
忍不住: cannot help, unable to bear...
欣慰: to be gratified...
奖: prize, award, encouragement...
作废: to become invalid, to cancel, to delete, to ify...
表率: example, model...
难以置信: hard to believe, incredible...
遍地: everywhere, all over...
回头: to turn round, to turn one's head, later, by and by...