About
The character 必 resembles the heart radical 心 intersected by a diagonal stroke, but its true origin lies in depicting a weapon handle or a pole binding something tightly, with no etymological link to the heart. This visual similarity is a coincidental result of structural simplification over time. Its original meaning of secure binding evolved into the abstract concepts of certainty and necessity. Today, 必 functions primarily as an auxiliary verb and adverb, indicating that an action must be taken or an outcome will certainly occur.
Etymology Hide
Example Sentences Hide
你必须努力学习。
这是一项必须完成的任务。
每天练习是进步的必要条件。
这场决赛必定非常精彩。
他未必会同意这个计划。
这其中的必然性值得研究。
诚实是为人处世的必备品质。
从长远看，合作互利是必然的趋势。