必经之路 bìjīngzhīlù only way Origin Definitions Defs Strokes Stroke Words Sentences Sents 必经 必經 bìjīng unavoidable the only way to a place; a route one must pass through之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.路 lù noun road road; path; way; route