重點講解：
1. tend to do sth. 往往會；經常就；
In our culture we tend to be bashful about our talents and skills.
在我們的文化中，我們往往羞于談論自己的才干和技能#[Ni2.WX_.xY+(8Wg.gK。
2. be faced with 面臨；面對；
He was faced with a barrage of angry questions from the floor.
他受到了與會者一連串憤怒的質詢4*z;D4r%WoOM_。
3. be competent to do sth. 有…能力的；能干的；
Make sure the firm is competent to carry out the work.
要確保這家公司有能力完成這項工作O_Ir%HZIAOQd%Quv=xi。
4. add to 添加；增加；摻加；
A glass or two of wine will not significantly add to the calorie count.
喝一兩杯葡萄酒不會增加多少熱量uWyWHa2bX-,s&G。