The person always returns ingratitude for kindness.是什么意思？

The person always returns ingratitude for kindness.

这个家伙常常恩将仇报.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

person

n. 人，（语法）人称，身体，容

例句
A sick person needs absolute confidence and trust in a doctor.
病人需要对医生有绝对的信心和信任。

always

adv. 总是，老是，永远，始终，常常，不断地；

例句
Some cities are always going to be more advantaged.
一些城市总会有一些得天独厚的优势。

returns

n. 回复( return的名词复数 )，利润，偿还；v. 返回，回来( return的第三人称单数 )，恢复，还，归还；

例句
These returns will not be enough to meet the payment of annual bonuses to policyholders.
这些收益不够支付投保人每年分得的红利。

ingratitude

n. 忘恩负义，得鱼忘荃；

例句
His friends were shocked by his ingratitude to his parents.
他对父母不孝,令他的朋友们大为吃惊.

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

kindness

n. 仁慈，善行，友好的行为；

例句
I was never really happy there, although the people were kindness itself...
我在那里从来没有真正高兴过,虽然那里的人们非常亲切。