虚假的英文：
false
untrue

参考例句：

a mendacious statement.
虚假的话

She is much too perspicacious to be taken in by such a spurious argument.
她太敏锐了，不会被这样一种虚假的争吵所欺骗

Intentionally concealing the facts or providing falsified certificates when undergoing the accident investigation.
在接受事故调查时故意隐瞒事实或提供虚假证明。

Use forged, altered, or invalid negotiable instruments or other false certificates of property rights as guaranties
以伪造、变造、作废的票据或者其他虚假的产权证明作担保的

misreport;fictitious )report;False(or mendacious
虚假报道

Synthetic sympathy
虚假同情

Sham publicity(or promotion)
虚假广告

His love was a mere sham.
他的爱情是虚假的。

This is a glossy advertisement.
这是个虚假的广告。

Affected;insincere;not genuine
做作的;虚假的;假的

false是什么意思：
adj. 错误的；不真实的；人造的；假的；不诚实的；不忠诚的

This assumption is false in several ways.
这种推断是错误的，错在了多个方面。

The statement is manifestly false.
这种说法明显不确。

An act or instance of such falseness.
这种假装的行为或实例。

false vampire bat
假吸血蝠

Nail under false color
冒充,打着别人的招牌骗人

untrue是什么意思：
a. 不正确的,不忠实的

Untrue or incredible story;falsehood
不真实的或不可信的事；谎言

An old man's sayings are seldom untrue
不听老人言,吃亏在眼前

Something untrue that is intentionally represented as true by the narrator.
假定叙述者故意的把真实的说成不真实的事实。

Some people go about telling untrue stories.
一些人到处传播不真实的事。

It appears that what I said was untrue, but I did not knowingly lie to you.
看来我说错了, 但是我并非故意向你撒谎。