2 sentences

1. 我在中国执教了四年。

   wǒ zài zhōng​guó zhí​jiào le sì nián.

   I spent 4 years teaching in China.

   Source: CCMatrix

2. 我知道如何执教。

   wǒ zhī​dao rú​hé zhí​jiào.

   I know how to coach.

   Source: OpenSubtitles