n.说话大声大气的人，喋喋不休的人

原形：loudmouth复数：loudmouths

He's always telling everyone his latest, most outrageous story; it's no wonder he has a reputation for being a loudmouth.
他总是向每个人讲述他最离谱的新故事，难怪他有爱说大话的名声。
She was quick to point out that the loudmouth who was criticizing her work had never actually done any themselves.
她迅速指出那个批评她工作的人自己从未做过任何事情。
The politician often speaks without thinking, earning him a label as a loudmouth in the media.
这位政治家经常不假思索地说出话来，媒体因此给他贴上了爱说大话的标签。
His loudmouth friend never seems to understand when to keep quiet, causing him endless trouble.
他的那个爱说大话的朋友似乎永远不懂得何时保持沉默，这让他陷入了无尽的麻烦。
Despite her reputation as a loudmouth, she's actually quite shy and reserved in private.
尽管她有爱说大话的名声，但在私下里她其实相当害羞和内敛。
The loudmouth in the office was always boasting about his achievements, which annoyed everyone else.
办公室里的那个爱说大话的人总是吹嘘自己的成就，这让其他人很烦恼。
The coach had to remind the loudmouth player that winning isn't just about showing off your skills.
教练不得不提醒那个爱说大话的球员，胜利不仅仅是炫耀你的技能。
The loudmouth reporter was known for asking overly personal questions during interviews.
那个爱说大话的记者以在采访中问过于私人的问题而闻名。
She tried to ignore the loudmouth neighbor who constantly complained about trivial matters.
她试图忽略那个爱说大话的邻居，他总是对一些琐事不停地抱怨。
The teacher had to reprimand the loudmouth student for interrupting the class discussion unnecessarily.
老师不得不责备那个爱说大话的学生，因为他无端地打断了课堂讨论。