N. J. Enfield

"We all had teachers who scolded us over the use of um, uh-huh, oh, like, and mm-hmm. But as linguist N. J. Enfield reveals in How We Talk, these "bad words" are fundamental to language. Whether we are speaking with the clerk at the store, our boss, or our spouse, language is dependent on things as commonplace as a rising tone of voice, an apparently meaningless word, or a glance-signals so small that we hardly pay them any conscious attention. Nevertheless,...