Wearing a bracelet with her sister’s motto, “be excellent,” Dao Huynh and her sister’s co-workers tried to “channel their inner Trinh” with a day of service Friday at the Gateway Domestic Violence Center in Gainesville. “She tried to put love and good in the world every day,” Dao Huynh said of sister Trinh Huynh, 40, who was killed April 3. A Gainesville High graduate, Trinh Huynh was shot and killed in Atlanta.