a plum in your mouth
US /ə plʌm ɪn jʊər maʊθ/
UK /ə plʌm ɪn jʊər maʊθ/

成语
1.
嘴里含着李子, 说话做作
an affected way of speaking, as if one has a plum in one's mouth, often associated with upper-class accents
示例:
•
He speaks with a plum in his mouth, making him sound very aristocratic.
他说话时好像嘴里含着李子,听起来非常贵族气。
•
Her affected accent sounded like she had a plum in her mouth.
她做作的口音听起来就像嘴里含着李子。
在 Lingoland 学习这个单词