You can say, "Every weekend he volunteers at the hospital working with the sick and the dying. It brings him great joy to care for others. It's his 'labor of love' to humanity." What does it mean? Watch here. For more videos - go to www.khmer.voanews.com/maniandmori or www.youtube.com/KhmerSpecialEnglish. To contact Mani & Mori - write to them at email@example.com.