What is the Bengali meaning of the Idiom 'White-collar'?

• With open arms
English Meaning: with great affection or enthusiasm.
Bangla Meaning: প্রচন্ড আগ্রহ বা উদ্দীপনার সাথে

• White-collar
English Meaning: relating to people who work in offices, doing work that needs mental rather than physical effort.
Bangla Meaning: শারীরিক পরিশ্রম বিহীন কাজ 

• Well-off
English Meaning: rich / the state or condition of being well off; (now) especially wealth, prosperity.
Bangla Meaning: স্বচ্ছল

• White elephant
English Meaning: something that has cost a lot of money but has no useful purpose.
Bangla Meaning: দামী কিন্তু তেমন কাজের নয় এমন

Source: Website Lecture.