义务obligation; moral obligation
学问systematic knowledge that correctly reflects certain objective matters; learning
小吃refreshment; small and cheap dishes
引导lead; instruct and guide somebody in actions towards a certain goal
形势topographical features; situation
心理psychology; thoughts, emotions, etc.
效率ratio of useful work to the total work performed; efficiency
消化digest; absorb/assimilate mentally
研制prepare; prepare medicinal powder by pestling
遗产inheritance; cultural wealth or material wealth handed down in history