Useful

1.

(Serviceable, helpful, capable or desirable) ដែលមានប្រយោជន៍
Example: The child makes himself useful around the house, a useful gift.

2.

(បច្ចេកទេស) ដែលមានប្រយោជន៍

• make oneself useful
  - ជួយ

1.

Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpose; beneficial; profitable; advantageous; as, vessels and instruments useful in a family; books useful for improvement; useful knowledge; useful arts.