boast, brag, crow, pride

名詞 boast:

1. speaking of yourself in superlatives
   同義詞：boasting, self-praise, jactitation

動詞 boast:

1. show off
   同義詞：tout, swash, shoot a line, brag, gas, blow, bluster, vaunt, gasconade
2. wear or display in an ostentatious or proud manner
   同義詞：sport, feature

1. It is one of their proudest boasts that they have halved the death rate from typhoid.
   他們使傷寒病人的死亡率降低了一半，這是他們最感驕傲的事之一。
2. Don't believe him; he is just boasting.
   別相信他，他只是在吹噓罷了。

boast

v.（動詞）
boast.ed,boast.ing,boasts
v.intr.（不及物動詞）
To glorify oneself in speech; talk in a self-admiring way.
自吹自擂，自夸：講話中炫耀自己；以自我欣賞的方式說話
v.tr.（及物動詞）
To speak of with excessive pride.
夸耀：用特別得意的口氣說話
Usage Problem To possess or own (a desirable feature):
【用法疑難】 擁有：擁有或占據(jù)（讓人滿意的特點）：
例句：
.[the] capital of a region in the southeast that boasts bountiful coal fields. (US Air)
. 擁有豐富煤炭礦藏的東南地區(qū)首府. (美國航空)

To contain; have.
包含；有
n.（名詞）
The act or an instance of bragging.
自吹自擂：自吹自擂的行動或事例
A source of pride.
足以自豪的事物

來源：
Middle English bosten
中古英語 bosten
from bost [a brag]
源自 bost [自夸者]

【引伸】
boast.er
n.（名詞）
boast.ful
adj.（形容詞）
boast.fully
adv.（副詞）
boast.fulness
n.（名詞）
<參考詞匯><同義詞>boast,brag,crow,vauntThese verbs all mean to speak with pride,often excessive pride, about oneself or something,such as one`s possessions, related to oneself.
這些動詞都表示夸耀，通常對自己或某些事過分驕傲，例如對自己擁有的東西或與自己相關的東西。
Boast is the most general:
Boast 最為常用：
例句：
.We confide [i.e., have confidence] in our strength, without boasting of it; we respect that of others, without fearing it. (Thomas Jefferson).
.我們自信于 自己的力量， 這并非自夸；我們也重視別人的力量，但并不畏懼. （托馬斯·杰斐遜）。

Brag implies exaggerated claims and often an air of insolent superiority:
Brag 蘊涵著虛張聲勢，通常還表示一種傲慢的態(tài)度：
例句：
He bragged that his father was the most successful stockbroker on Wall Street.
他吹噓他父親是華爾街上最成功的股票經(jīng)紀人。

Crow stresses exultation and loud rejoicing, as over a victory:
Crow 強調(diào)因勝利等而欣喜若狂和大聲慶賀：
例句：
No candidate should crow until the votes have been counted.
在選票計算出來之前沒有候選人會自吹自擂。

Vaunt suggests ostentatiousness and lofty extravagance of expression:
Vaunt 表示炫耀和輕率地夸張：
例句：
.an elite that . . . vaunts diplomacy over national security concerns. (Jim Hoagland).
.一個社會名流…出于國家安全考慮而夸耀其外交政策. （吉姆·郝格蘭德）

Some have objected to the use ofboast as a transitive verb meaning .to possess or own (a desirable feature),. as inThis network boasts an audience with a greater concentration of professionals and managers than any other broadcast vehicle. This usage is by now well established, however,and is acceptable to '2 percent of the Usage Panel.
有人反對將boast 用作意指.占有或擁有（一種良好素質(zhì)）.的及物動詞， 比如在這家媒體網(wǎng)絡擁有比任何其他傳播媒介都大的專業(yè)人員和管理人員群體 中。 然而這種用法已被廣泛接受了，百分之六十二的用法專題使用小組成員同意這種用法

boast
boast 2

v.tr.（及物動詞）
boast.ed,boast.ing,boasts
To shape or form (stone) roughly with a broad chisel.
粗雕： 用一寬鑿子粗糙的塑造或雕刻（石頭）

來源：
[Origin unknown]
[詞源不明]