The connotations of a particular word or name are the ideas or qualities which it makes you think of.
例句
It's just one of those words that's got so many negative connotations...这只是那种有太多负面含义的词之一。'Urchin', with its connotation of mischievousness, may not be a particularly apt word. urchin有淘气的含义,可能不是一个特别恰当的词。