重点讲解：
1. Achilles heel 阿喀琉斯的脚踵；致命弱点；
例句：Horton's Achilles heel was that he could not delegate.
霍顿的软肋在于他不懂得放权;+5A9Dmtc^,XaM]F9w6Z。
2. pros and cons 利弊；正反两方面；优缺点；
例句：They sat for hours debating the pros and cons of setting up their own firm.
他们在一起坐了数小时，讨论自己创办公司的利弊4mkX|&OJpLHjP;。
3. be used to sth./doing sth. 习惯于；
例句：Lawyers are used to weighing the evidence of witnesses.
律师们习惯于权衡证人提供的证据9jVl6T.gm]Vvn。
4. be prepared to do sth. 愿意（做…）的；
例句：He's prepared to have a bash at discussing it intelligently.
他已经准备好尽量巧妙地讨论这个问题aX%w;Ht%c+aXAttxVC。