低于 Traditional form: 低於 Pinyin (reading): dīyú Definitions: to be lower than Characters: 低 - low; to lower, to hang; to bend, to bow 于 - at, in, on; to, from; alas! Traditional characters: 低 - low; to lower, to hang; to bend, to bow 於 - at, in, on; to, from; alas!