Our completion rates are one of our greatest Achilles' heels.
我们的毕业率是我们最大的致命弱点（阿喀琉斯之踵）之一。
2
Using MRI and ultrasound technology, researchers compared the calf muscles and Achilles tendons of women who frequently wear high heels with those of women who mainly wear flat shoes.
利用磁共振成像和超声波技术，研究人员比较了经常穿高跟鞋的女性与一般穿平底鞋的女性的小腿肌肉和跟腱。
3
Perhaps being head over heels in love has never been your Achilles' heel, but you can probably imagine how powerful the feeling is.