- 利他林 lìtālín Ritalin(loanword) Ritalin, a brand name for methylphenidate; a stimulant used to treat ADHD
- 利他主义 lìtāzhǔyì altruismthe belief in or practice of selfless concern for the well-being of others
- 利他灵 lìtālíng RitalinRitalin (brand name); methylphenidate, a stimulant drug used to treat ADHD
- 利他能 lìtānéng RitalinRitalin (brand name for methylphenidate), a stimulant drug used to treat ADHD
- 利他行为 lìtāxíngwéi altruistic behaviorselfless actions or conduct that benefit others at a cost to oneself