He has collected many proverbs and popular sayings that relate to the weather. 他收集了许多有关天气的谚语和俗语。
Only a tiny number of the speakers of any language will be aware that they are using colloquial or slang expressions. 不论何种语言,只会有很小一部分使用者能够意识到他们是在使用俗语或俚语。