语音讲解：
　　　(点击右键“另存为”可下载语音)

　　Spread oneself too thin

　　担心过重，以至于心力交瘁

　　to overload oneself with work and or social obligation to an extreme that taxes one’s mental and physical well-being.

　　工作负担或是社会义务过重，造成心理上，身体上的劳累

　　Janet had spread herself too thin with all of her extracurricular activities, and she soon lacked the time and the energy to concentrate on her studies.

　　珍妮特过于热衷于课外活动，弄得自己劳累不堪；很快地，她便没有时间，也没有精力，将心思集中在功课上。