Older Nephew:
* 外甥 (wài shēng): This is used for a nephew who is older than the speaker. It literally translates to "outer born," meaning "born to someone outside the speaker's immediate family."
Younger Nephew:
* 侄子 (zhí zi): This is used for a nephew who is younger than the speaker. It literally translates to "son of a younger brother."
Example:
* "My older nephew is a doctor."
* 我外甥是医生。(Wǒ wài shēng shì yī shēng.)
* "My younger nephew is studying music."
* 我侄子在学音乐。(Wǒ zhí zi zài xué yīn yuè.)