重點講解：
1.chuckle to 竊喜，偷偷笑
例句：It brings chuckle to myself
它帶給我的是竊喜

2.make a discovery of 發現
例句：To make a discovery more likely soon, another round of licensing will take place in 2010.
為了更快的取得發現，另外一輪的開采牌照將會在2010年發放。

3.trickle down 涓滴；涓滴效應；向下滴流
例句：These droplets trickle down the inner wall into a circular trough at the inner base of the cone.
這些液滴在內璧滴下進入圓錐體底部的圓形槽內。

4.mark my words 記住我的話；聽我說；我擔保
例句：Mark my words, you'll regret this later on.
記住我的話，你以后對這件事會后悔的。

5.the old hound is the best 姜還是老的辣
例句：You may be very smart and clever, but the old hound is the best, when all is said and done."
你也許是非常聰明能干的，但歸根結底，生姜還是老的辣。"