自夸;吹噓;自吹自擂;show off 炫耀
示例
A:She always says her daughter has a very good boyfriend, but when asked when they can get married, she just keeps silence.
B:Obviously, she brags.
A:她總說她女兒有個非常好的男朋友,但每當問到他們什么時候結婚時她就不說話了。
B:很明顯,她是在吹牛。
A:I saw UFO last night.
B:Don't brag!
A:昨天晚上我看到不明飛行物了。
B:別吹牛。