himself

He taught himself how to play the guitar by watching instructional videos on the internet.

(Chinese) 他通过观看互联网上的教学视频自学了如何弹吉他。

The chef prepared a special five-course meal for the king, and then cooked a simple soup for himself.

(Chinese) 厨师为国王准备了一顿特别的五道菜大餐，然后为自己煮了一碗简单的汤。