患难之交 huànnànzhījiāo friend in need Definitions Defs Origin Strokes Stroke Words Sentences Sents 患难 患難 huànnàn adversity trials and tribulations; a difficult or dangerous situation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.交 jiāo noun friendship Friendship; social or diplomatic relations