very strong
You don't look very strong.
He is very strong.
The flow is very strong.
Том - очень сильный парень.
Tom is a very strong guy.
Том очень сильный пловец, да?
Tom is a very strong swimmer, isn't he?
У Тома очень сильный голос.
Tom has a very strong voice.
I have a very bad cough.
This snake's venom is very potent.