名詞 locution:

1. a word or phrase that particular people use in particular situations
   同義詞：saying, expression

lo.cu.tion

n.（名詞）
A particular word, phrase, or expression, especially one that is used by a particular person or group.
語(yǔ)言表達(dá)方式：一個(gè)特殊的詞、短語(yǔ)或表達(dá)方式，尤指為某一特定的人或團(tuán)體所特有的
Style of speaking; phraseology.
說(shuō)話的風(fēng)格；措詞

來(lái)源：
Middle English locucion
中古英語(yǔ) locucion
from Old French locution
源自 古法語(yǔ) locution
from Latin locôtiô locôtiôn-
源自 拉丁語(yǔ) locôtiô locôtiôn-
from locôtus [past participle of] loquo [to speak] * see tolk w-
源自 locôtus [] loquo的過去分詞 [說(shuō)話] *參見 tolk w-