earnest

Nghiêm túc, thành thực

serious and sincere, especially when talking about something important or difficult

• be earnest about something

Collocations earnest discussion · earnest expression

• He gave an earnest speech about the need for change.

  Ông ta đã phát biểu một bài diễn thuyết nghiêm túc về nhu cầu thay đổi.

Cần cù, chăm chỉ

working hard and trying to achieve something, especially when this involves a lot of effort or difficulty

• be earnest about achieving something

Collocations earnest worker · earnest ambition

• She is an earnest student who always does her best.

  Cô ấy là một sinh viên chăm chỉ luôn cố gắng hết sức.