cố gắng

Meaning

1. try hard

   verb

   to try hard, to try, to do your best

   Making an effort, not trying something out (that's thử).

   • Em đang cố gắng học tiếng Việt mỗi ngày.

     I'm trying hard to study Vietnamese every day.

   • Cố gắng lên nha!

     Keep going, you can do it!