形容詞 ostentatious:

1. intended to attract notice and impress others
   同義詞：pretentious
2. of a display that is tawdry or vulgar
   同義詞：pretentious, kitsch

1. Showy or gaudy decoration; ostentatious or pretentious show.
   炫耀的或俗麗的裝飾; 浮華的或虛假的顯示
2. Making or marked by an extravagant outward show; ostentatious.
   做作的，夸耀的表示出顯而易見的夸張的，炫耀的; 炫耀的
3. The bounder's ostentatious life showed his inanition.
   暴發(fā)戶擺闊的生活方式顯示出他的淺薄。
4. Their daughter was ostentatious on her wedding reception.
   他們的女兒在辦婚事時擺闊。

os.ten.ta.tious

adj.（形容詞）
Characterized by or given to ostentation; pretentious.See Synonyms at showy
炫耀的：以賣弄為特征的或有賣弄傾向的；夸耀的參見 showy

【引伸】
os.tenta.tiously
adv.（副詞）