Keep a secret

keep [kip]

vt. 保持;保留;遵守;阻止; vi. （食品）保持新;保持健康; n. 保持，保养;供养，抚养;生活，生计;饲料；牧草;

secret ['sikrɪt]

n. 秘密，机密;秘诀;奥秘; adj. 秘密的，机密的;神秘的;隐秘的;

se分开，离开，区别开+cret区别→分开来放→秘密

I have been a poor student of foreign languages.

外语就学得不好。

Your words strengthened my heart.

你的话增加了我的勇气。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。