Definition of 駟も舌に及ばず (しもしたにおよばず)
ししたおよ
                        駟も舌に及ばず
しもしたにおよばず
shimoshitanioyobazu
expression
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talking so fast that even a four-horse coach cannot catch up to the words
Related Kanji
| 駟 | four horses | 
| 舌 | tongue, reed, clapper | 
| 及 | reach out, exert, exercise, cause |