大吹大擂
Brag about.
Bluff and bluster.
A flourish of trumpets.
Make much of.

eg：He always brags about his past record.

中英俚语俗语来源：元曲选·贾仲名·萧淑兰：“小的每与我大吹大擂者。”

同义词：大张旗鼓 With great fanfare.
反义词：偃旗息鼓 Draw in one's horns.