利他靈

Ritalin (brand name) / methylphenidate (stimulant drug used to treat ADHD) / also written 利他林[Li4 ta1 lin2]

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

to benefit others / altruism

he; him (used for either sex when the sex is unknown or unimportant) / (used before sb's name for emphasis) / (used as a meaningless mock object) / (literary) other

quick / alert / efficacious / effective / to come true / spirit / departed soul / coffin