Gǔ bù dǎ, bù xiǎng; huà bù shuō, bùmíng.

鼓不打不響, 話不說不明。

Lit [A] drum won't make sound unless [it's been] beaten; words not spoken [can]not be understood.

Fig One must speak up in order to be understood by others.

Note [Compare with the following two entries; cf. Èr Kè Pāi'àn Jīngqí, chap. 38; see also rén bù shuō below.]

Topics Èr Kè Pāi'àn Jīngqí GOSSIP REASONS