The modal adverb 反正
The modal adverb (语气副词) expresses subjective judgment or assurance toward an action.
反正 
is placed between two statements, usually in a situation when the second statement disregards the first statement.
is placed between two statements, usually in a situation when the second statement disregards the first statement.Examples
我不知道是谁的话，反正是很好听的
I don't know who said it, but it sounds good anyway
wǒ bù zhīdào shì shéi de huà, fǎnzhèng shì hěn hǎotīng de
没事，反正我们也打算这样做
It's okay, we were going to do it anyway
méi shì, fǎnzhèng wǒmen yě dǎsuan zhèyàng zuò
Pay attention
反正 can be placed either before a subject or before a predicate.
The construction …也好…也罢 , construction with 无论 or 不管 can be used before 反正.
These constructions are used to express uncertainty.
, construction with 无论 or 不管 can be used before 反正.
These constructions are used to express uncertainty.Examples
不管有意思没有，反正我们应该去
Whether it's interesting or not, we should go anyway
bùguǎn yǒuyìsi méiyǒu, fǎnzhèng wǒmen yīnggāi qù
有些人认为无论富人们捐多少，反正就是不够
Some people think that no matter how much rich people donate, it's still not enough
yǒuxiē rén rènwéi wúlùn fù rénmen juān duōshao, fǎnzhèng jiùshì bú gòu
喜欢也好，不喜欢也罢，反正是你负责
Like it or not, you're in charge
xǐhuan yě hǎo, bù xǐhuan yěbà, fǎnzhèng shì nǐ fùzé