孜孜

Adjective

 * 1) diligent; hardworking; industrious; assiduous
 * 2) absorbed; focused; with rapt attention
 * 3) earnest; eager; persistent
 * 4) incessant; ceaseless; non-stop
 * 5) harmonious and happy; beautiful; gentle
 * 6) alone; by oneself
 * 1) alone; by oneself