第123句：

lt's no secret that there's a lot to put up with when waiting tables, and fortunately, much of it can be ea8ily forgotten when you pocket the tips.

眾所周知，等客人點菜的時候，服務員通常都需要百般忍耐，不過當他們把小費放人口袋的時候，就把這些麻煩忘光了。

六級詞匯講解:
本句的結構是“It +be+名詞(no secret)+that從句”，其中it是形式主語，that引導的主語從句是本句真正的主語。
it is no secret意為“眾所周知”。如：
It is no secret that Singapore owes it all to its uncorrupt leaders for where it is today.
眾所周知，新加坡今天的成績得歸功于其廉潔的領導人。
短語put up with的意思是“忍受，承受”。如：
I could hardly put up with that guy any longer.
我再也不能忍受那家伙了。
pocket作動詞講時，意思是“將……放人口袋”。 tip的意思是“小費”。

六級考點歸納：
it作形式主語的that從句是主語從句的一種，可有如下四種搭配：
It +be+形容詞+that從句。如：
It is essential that...絕對必要的是……
It is significant that...重要的是……
It is clear that...很明顯……
It+be+過去分詞+that從句。如：
It is recommended that...據推薦／介紹……
It is known to us/all that...眾所周知……
It is anticipated that...據預測……
It +be+名詞+that,從句。如：
It is common knowledge that...……是常識
It is a surprise that...令人驚奇的是……
It is afact that...事實是……
It+不及物動詞+that從句。如：
It appears that...似乎……
It happens that...碰巧……
It occurred to me that...我突然想起……