老犬 ろうけん Meanings Noun old dog Kanji 老 elderly. Read as ロウ. 犬 dog. Read as ケン. Example sentences 老犬に新しい芸は仕込めない。You can't teach an old dog new tricks. 老犬に新しい芸は教えられない。You can't teach an old dog new tricks. Jinuma: Japanese Dictionary · Word lists