vất vả

Meaning

1. hard

   adjective

   hard, tough, exhausting

   Of work or life, not of a question: a hard question is khó.

   • Mẹ tui làm việc vất vả lắm.

     My mom works very hard.

   • Hôm nay chị vất vả quá!

     You've worked so hard today!