于焉 Traditional form: 於焉 Pinyin (reading): yúyān Definitions: (classical) see 於是/于是 (yúshì) Characters: 于 - at, in, on; to, from; alas! 焉 - why? where? how?; strange; thereupon, then Traditional characters: 於 - at, in, on; to, from; alas! 焉 - why? where? how?; strange; thereupon, then