重點講解：
1. on earth
（用于以how， why， what 或 where 開始的問句，表示強調，通常表示問題沒有答案或很難回答）究竟，到底；
eg. Why on earth didn't you tell me the truth?
你到底為什么不跟我說實話？
eg. We felt puzzled. What on earth did they want to do?
我們都感到納悶兒，他們到底想干什么？
2. rather than
而非；勝于；而不是；
eg. Her speech was memorable for its polemic rather than its substance.
她的演說之所以令人難忘，不是因其內容而是因其辯論方法rh-|0RX1[EUWK。
eg. We prefer you to work voluntarily rather than by coercion.
我們寧愿你工作出于自愿，而不是被迫vScTwg0JXVc。
3. get one's hands dirty
親自動手；
eg. Now that you have an understanding of the concepts behind the photo sharing application, it's time to get your hands dirty.
對照片共享應用程序背后的概念有了基本的了解之后，就可以著手進行實踐了5ZTK71!1|]RT]。
eg. We spend considerable time and effort getting our hands dirty to understand the nuances and intricacies of each new product or version.
我們花費了相當多的時間和精力，親自動手去了解每種新產品或新版本的細微差別和復雜性eLlZXQx[p%8yt%0。
4. get involved in
卷入的；參與的；與…有密切關聯的；
eg. If you get involved in the controversy, you may burn your fingers.
要是你卷入這場爭吵的話，你會吃苦頭的9el!Yr@GrYx.yoH。
eg. She encourage her child to get involved in activities at school.
她鼓勵孩子積極參加學校活動[@sNyZDYJKc+ulzD。
5. stand back
置身事外，退一步（考慮問題）；
eg. Stand back and look objectively at the problem.
退一步，客觀地看待這個問題Vle34Vu@9thx]%。
eg. We're not going to stand back and let those crooks get away with murder.
我們不會撒手不管讓那些騙子逍遙法外Uc]9_u*C=.vql。
6. for real
真實地；真正地；不是假裝；
eg. All physical existence is false, only what you could feel exists for real.
物理上存在的東西都是假的，只有你能感受到的才是真實存在的%VG6[J0L-_Tn07f-u)8。
eg. But even among people with no religious affiliation, well more than half said angels are for real.
即便是沒有宗教信仰的人，也有一半以上相信天使是真實的,.Q^BL^*_7SW。