monosyllable
/ˈmɒnəʊˌsɪləbl/noun
1- a word consisting of only one syllable单音节词。
1.1
monosyllables
brief words, signifying reluctance to engage in conversation片言只语（表示不愿交谈）：if she spoke at all it was in monosyllables.
即使她开口, 也只是简单应付。