名詞 bluff:

1. a high steep bank (usually formed by river erosion)
2. pretense that your position is stronger than it really is
3. the act of bluffing in poker; deception by a false show of confidence in the strength of your cards
   同義詞：four flush

動詞 bluff:

1. deceive an opponent by a bold bet on an inferior hand with the result that the opponent withdraws a winning hand
   同義詞：bluff out
2. frighten someone by pretending to be stronger than one really is

形容詞 bluff:

1. very steep; having a prominent and almost vertical front
   同義詞：bold, sheer
2. bluntly direct and outspoken but good-natured

1. He is kind and friendly despite his rather bluff manner.
   他為人厚道，待人親切，雖然態(tài)度有些粗魯。
2. The boss threatened to dismiss him from his job, but it's all a bluff.
   老板威脅說要解雇他，但這不過是恐嚇而已。
3. He could bluff his way through any difficulty.
   他可以招搖撞騙闖過任何難關(guān)。

bluff

v.（動詞）
bluffed,bluff.ing,bluffs
v.tr.（及物動詞）
To mislead or deceive.
誤導(dǎo)，欺騙
To impress, deter, or intimidate by a false display of confidence.
虛張聲勢：通過假裝有把握給人印象、威懾或威脅
Games To try to mislead (opponents) in a card game by heavy betting on a poor hand or by little or no betting on a good one.
【游戲】 玩牌戲中下大注迷惑對手：玩牌游戲中手氣壞時下大注或手氣好時下小注或不下注，以迷惑（對手）
v.intr.（不及物動詞）
To engage in a false display of strength or confidence.
虛張：裝作很強大和很有信心的樣子
n.（名詞）
The act or practice of bluffing.
虛張聲勢：虛張聲勢的行動或事例
One that bluffs.
虛張聲勢的人

來源：
Probably from Dutch bluffen
可能源自 荷蘭語 bluffen
from Low German
源自 低地德語

【引伸】
bluff.able
adj.（形容詞）
bluff.er
n.（名詞）

---------------另--------------
bluff
bluff 2

n.（名詞）
A steep headland, promontory, riverbank, or cliff.
懸崖，峭壁，陡岸，絕壁
adj.（形容詞）
bluff.er,bluff.est
Rough and blunt but not unkind in manner.See Synonyms at gruff
直率，坦率，粗率的：草率、坦率但很友好的舉止參見 gruff
Having a broad, steep front.
寬而垂直的

來源：
Probably from obsolete Dutch blaf
可能源自 已廢荷蘭語 blaf
or Middle Low German blaff [broad]
或 中古低地德語 blaff [寬闊的]

【引伸】
bluff.ly
adv.（副詞）
bluff.ness
n.（名詞）