课余 (kè yú) — spare time after class; extracurricular hours

定義

例文

• 他利用课余时间学习中文。
  Tā lì yòng kè yú shí jiān xué xí zhōng wén.
  He uses his spare time after class to study Chinese.
• 学校安排了很多课余活动。
  Xué xiào ān pái le hěn duō kè yú huó dòng.
  The school arranges many extracurricular activities.
• 课余我喜欢去图书馆看书。
  kè yú Wǒ xǐ huan qù tú shū guǎn kàn shū.
  After class I like to go to the library and read.