【有关“mouth”的俚语】

keep one's mouth shut 保守秘密；down in the mouth 沮丧、垂头丧气；live from hand to mouth 糊口度日；motor mouth 说话没完的人；Do not bad mouth me 别说我坏话；blabbermouth 爱说闲话的人；put one's foot in one's mouth 祸从口出；mouth off 粗鲁地说

Thank you for your sharing.