名詞 bluster:

1. noisy confusion and turbulence
2. a swaggering show of courage
   同義詞：bravado
3. a violent gusty wind
4. vain and empty boasting
   同義詞：braggadocio, rodomontade, rhodomontade

動詞 bluster:

1. blow hard; be gusty, as of wind
2. show off
   同義詞：boast, tout, swash, shoot a line, brag, gas, blow, vaunt, gasconade
3. act in an arrogant, overly self-assured, or conceited manner
   同義詞：swagger, swash

1. I wasn't frightened by what he said it was just bluster.
   他說的話嚇不倒我－－不過是雷聲大，雨點(diǎn)小。
2. He blustered his way through the crowd.
   他吆喝著擠過人群。
3. The gale blustered all night.
   大風(fēng)刮了一夜。

blus.ter

v.（動詞）
blus.tered,blus.ter.ing,blus.ters
v.intr.（不及物動詞）
To blow in loud, violent gusts, as the wind during a storm.
風(fēng)狂吹：大聲的，猛烈的一陣擊打，如暴風(fēng)中的風(fēng)

To speak in a loudly arrogant or bullying manner.
咆哮：氣勢洶洶地說話
To brag or make loud, empty threats.
恐嚇：吹?；蜃鞔舐暤摹⒖斩吹耐{
v.tr.（及物動詞）
To force or bully with swaggering threats.
脅迫，恐嚇：用虛張聲勢的威脅強(qiáng)迫或恐嚇
n.（名詞）
A violent, gusty wind.
狂風(fēng)，狂吹
Turbulence or noisy confusion.
洶涌或吵吵鬧鬧
Loud, arrogant speech, often full of empty threats.
氣勢洶洶的大話：大聲的、傲慢的講話，經(jīng)常充滿空洞的威脅

來源：
Middle English blusteren
中古英語 blusteren
from Middle Low German blüsteren
源自 中古低地德語 blüsteren

【引伸】
blus.terer
n.（名詞）
blus.tery 或
blus.terous
adj.（形容詞）