1、turn around

(使)調轉方向;(使)轉向

Bud turned the truck around, and started back for Dalton Pond.

巴德把卡車掉頭，開始返回多爾頓池。

He had reached over to turn round a bottle of champagne so that the label didn't show.

他伸手把香檳轉了一下，這樣它的商標就不會露出來。

(使)復蘇;(使)好轉

Turning the company around won't be easy.

盤活那家公司絕非易事。

In his long career at BP, Horton turned around two entire divisions.

霍頓在英國石油公司漫長的職業生涯中曾經讓兩個部門整體上起死回生。

改變(問題、句子或想法的)表達方式

Now turn the question around and start looking not for what you did wrong in the past, but for what you can do to make things better in the future.

現在換個角度考慮問題，開始不要去想你過去做錯了什么，而考慮一下怎樣才能日后做得更好。

It's an example of how you can turn around the sentence and create a whole new meaning.

那個例子告訴你如何改變一個句子使其表達出完全不一樣的意思。

2、principle

道德原則；行為準則；操守

Buck never allowed himself to be bullied into doing anything that went against his principles.

巴克從來不會因為受到威脅而做違背自己原則的事情。

moral principles.

道德準則

法則；原則；原理

a violation of the basic principles of Marxism.

違背馬克思主義的基本原則

The doctrine was based on three fundamental principles.

這個學說建立在三條基本原理之上。

（科學）原理，定律

These people lack all understanding of scientific principles.

這些人對科學原理一竅不通。

the principles of quantum theory.

量子論原理