What is the meaning of the idiom 'The status quo'?

The status quo:
English Meaning: the present situation / the existing state of affairs.
Bangla Meaning: বর্তমান অবস্থা।

• Example Sentence: Certain people always want to maintain the status quo.
Bangla Meaning: কিছু মানুষ সবসময়ই তার বর্তমান অবস্থা বলবৎ রাখতে চায়।

Other options, 
The ins and outs - All the details.
The lion's share - The largest part of something.
Through thick and thin - Under all circumstances, no matter how difficult. 

Source: lecture.