“kǒu / wú / zé / yán” / zhè / ge / shuō / fǎ / bìng / bù / guī / fàn / ， / tōng / cháng / yīng / xiě / zuò / “kǒu / bù / zé / yán”

“口无择言”这个说法并不规范，通常应写作“口不择言”。

The expression “口无择言” is not standard; it is usually written as “口不择言.”