说大话的英文：
draw the long bow
malarkey
mouthiness
shout the odds
talk big
talk large
talk tall

参考例句：

He just relies on bluff and putting on a show with his bright ideas and his swank!
屠维岳的法宝就是说大话，像煞有介事，满嘴的有办法，有把握！

They indulge in tall talk.
他们一味说大话。

Look, this is no time for heroics.
得了，这可不是说大话的时候。

She blusters so much it's hard to believe her.
她尽说大话，叫人很难相信她。

He's just a hot-air merchant who wouldn't say boo to a goose if it came to a fight.
他只是个说大话的商人;如果真的打起来，他却是个胆小鬼。

draw是什么意思：
v. 绘画；抽签；刻画；拿出；得到，引起；取钱；吸入，吸引；说服谈论；碰巧
n. 抽签，抽奖；平局；有吸引力的表演者

This is a pointless draw.
这一场是零比零。

Draw the longbow
夸海口

This is a pastel drawing.
这是一幅彩粉画。

long是什么意思：
adj. 长的；长时间的；冗长的；长音的
adv. 长久地，长期地；始终
n. 长时间，长时期；长音节
v. 渴望
abbr. 经度，经线

But perhaps not for long.
但这并不会持续太长时间。

It will take a long time to read through this long story.
要读完这长篇故事要花相当长的时间。

propagation of long and very long wave in the ionosphere
电离层长波和超长波传播

bow是什么意思：
n. 弓；鞠躬；蝴蝶结；船首；琴弓
v. 鞠躬，弯腰；使弯曲

We must bow to the inevitable.
我们必须向必然发生的事情低头。

She has a dress decorated with bows.
她有一条饰有蝴蝶结的连衣裙。

His frame bowed prematurely.
他的背过早地弯了。