而已 éryǐ HSK7 that's all Definitions Defs Origin Strokes Stroke Words Sentences Sents 而 ér conjunctionparticle [suffix] (bound form) Suffix used to form certain conjunctions or adverbs, such as in 然而 rán'ér or 因而 yīn'ér.已 yǐ particle [final particle] (literary) used at the end of a sentence to express completion or to mean "that's all"