走ㄗㄡˇzǒu板ㄅㄢˇbǎn

  1. 唱戲不合節拍。因中國戲曲稱節拍為板眼，故稱不合節拍為「走板」。如：「荒腔走板」。後比喻說話偏離主題。也作「走板眼」。

英to be off the beat, to sound awful (of singing)​, (fig.)​ to wander off the topic, (diving)​ to step toward the end of the board, approach
德Trittbrett (S, Tech)​