hammer sth home

to make certain that something is understood by expressing it clearly and forcefully

common sense

: sound and prudent judgment based on a simple perception of the situation or facts

fearware

a type of cyber attack that exploits an existing sense of fear among people and encourages them to click on a link that will harm their computer

Cyber criminals are exploiting fears surrounding the Covid-19 coronavirus pandemic to spread dangerous malware and hack government computer systems. Security experts have labelled the new trend “fearware”, warning that victims may be more susceptible to be tricked or scammed during times of global uncertainty.

Russian roulette: Secondary meaning

If you say that someone is playing Russian roulette, or that what they are doing is like playing Russian roulette, you mean that what they are doing is very dangerous because it involves unpredictable risks.

the action of taking very serious risks with something important

something resembling Russian roulette in its potential for disaster

Russian roulette

https://en.wikipedia.org/wiki/Russian_roulette

Russian roulette -- My comments: We've seen this in many movies but didn't know what it's called.

If someone plays Russian roulette, they fire a gun with only one bullet at their head without knowing whether it will shoot them.

a very dangerous game of chance where each player aims at their own head with a gun that has one bullet in it and five empty chambers (= spaces where bullets could go)

an act of bravado consisting of spinning the cylinder of a revolver loaded with one cartridge, pointing the muzzle at one's own head, and pulling the trigger

qismat to dekh TuuTī hai jā kar kahāñ kamand kuchh duur apne haath se jab la-bay baam rah gayā

accha My comments: I think English is so expressive / rich because it borrows words from other languages. No qualms about it! :-)

exclamation Indian English (also achha)

used for showing that you agree with something or understand something:
Accha, that's good. Go ahead!

used for showing surprise or happiness:
"I managed to buy it for half the price." "Accha!"