重點講解：
1. get attached to
非常喜歡…的，熱愛…的；
eg. By themselves they are good experiences, but if you get attached to them, they become obstacles.
它們是很好的經驗，但如果你執著于它，就會變成一種障礙biiu2JI#Uv(l0u。
eg. Various parts will have a cult food that people get enormously attached to.
很多地方都有這樣讓人十分著迷的食物URULg_T(CXg!GI。
2. in return
回報；報答；
eg. He was always ready to help others, in return, he was liked by everyone.
他總是樂于助人，作為回報，大家都喜歡他_Tpb4rVMbw;。
eg. I'm just watching for a chance to punish him in return!
我正在伺機報復他呢！
3. a waste of
浪費；
eg. It's a waste of time and energy.
那是浪費時間和精力R8u2!2WthP368Zm(m%|f。
eg. A wrong approach means a waste of effort.
路子不對等于白費勁兒mrHN30Yy8Y7f99|。