không chắc in English:

Unless you started learning English as a child, you're unlikely to ever sound like a native speaker.

It's very unlikely that the teacher will believe Tom's excuse for not having his homework done on time.

If you weren't exposed to a language until you were an adult, you are very, very unlikely to ever sound like a native speaker of that language.

He is seriously ill and unlikely to recover.

But the possibility seems unlikely.

The jewel was found in an unlikely place.

It's unlikely that the next person who walks through that door will be wearing short pants.

war seems rather unlikely

Brain tumors at her age are highly unlikely.

Most of the savings claimed by the Obama administration are unlikely to be realized.

Donna might be able to come tomorrow, but it’s very unlikely.

without authorisation the supplier is unlikely to supply the goods

These studies suggest that a carcinogenic potential of ribavirin in humans is unlikely.

labourers who are unlikely to be eligible for HSBC's survey

A love story that unfolds between an unlikely pair, a public prosecutor from a good family and a modern high school girl.