聰明的還是苯的，一視同仁。

    like./alike

    like 用作形容詞時，表示“相似的”，在句子里可作定語。 We have like attitudes towards the matter. 我們在這件事上的觀點(diǎn)大致相同。

    alike 詞性為形容詞和副詞，用作形容詞時，表示“相同的，相似的”，但在句子里只能做表語。 The two sisters look exactly alike.

    regardless of：paying no attention to 不顧

    Regardless of danger，he climbed the tower all alone. 不顧危險(xiǎn)，他獨(dú)自一人爬那個塔。

    He bought her girl friend whatever she wanted regardless of the expenses. 不管花多少錢，他給他女朋友買她所要的任何東西。

    16. Even when you have doubts about some people，act as if they are worthy of your best manners.既使對有些人你不太有把握（他們是否值得你的禮遇），也要以禮相待，就向他們值得你這樣對待他們一樣。

    Even when you are not sure whether some people deserve your good manners，treat them as if they do.

    have doubt about ******./sth 對 … 有懷疑

    I had little doubt that we would earn profits from the project. 我毫不懷疑我們這個項(xiàng)目能盈利。

    worthy of 值得

    The new method is worthy of trying. 新方法值得一試。

    His heroic deeds are worthy of all praises. 他的英雄行為值得大大表揚(yáng)。

    17. You may also be astonished to find out that they deserve your courtesy.你或許很可能驚奇地發(fā)現(xiàn)，他們確實(shí)值得你以禮相待。

    find：to discover unexpectedly or by chance

    I have not yet found the key I lost three days ago . 我沒找到三天前掉的鑰匙。

    find out：to discover through examination or enquiry

    We must find out the truth about the matter. 我們必須找出事情的真相。

    18.All skills require constant repetition to become second nature ； good manners are no exception . 一切技能都需要經(jīng)常反復(fù)而后才能成為第二天性，禮貌也是如此。

    If you want to acquire a skill，you have to practice it again and again. It is the same with good manners，which you won't acquire unless you practice them constantly.

    second nature：something you have done so often that you do it almost without thinking. 第二天性、習(xí)性

    It has become a second nature to him to turn off all the lights before leaving the office. 離開辦公室前把所有的燈都關(guān)了已成為他的習(xí)慣了。

    be no exception…is included in…不看成是例外，同樣適用

    All residents must obey these traffic regulations. High-ranking officials are no exception.所有居民都要遵守這些交通規(guī)則。高級官員也不例外。

    All men between 18 and 35 without exception are expected to serve in the army.所有18到35歲的男人，都要服兵役，沒有例外。

    19.to concentrate on your performance in a specific area for about a week. （ …… ）就是在一個星期左右的時間內(nèi)，集中改進(jìn)你在某一方面的具體表現(xiàn)。

    You can begin by guarding against one bad type of manner for about a week.

    concentrate…on…把……集中在……

    Don't be absent-minded. Please concentrate your attention on the experiment.別開小差。把注意力集中在實(shí)驗(yàn)上。

    20.Or driving a car，why not watch yourself sternly for aggress