presný in English:

At that exact moment, I sneezed unexpectedly.

I'm a professor, or rather an associate professor, to be exact.

Exact change, please.

You need to have exact change to pay the toll of the expressway.

the exact opposite

Capitalism is the exploitation of man by man. Communism is the exact opposite.

Scholarship must always be exact whether it is interesting or not.

Where a painting's general sense seems clear, moreover, the exact decoding of its content remains in doubt.

In this instance we are provided with an exact account of the conversation between the two poets.

She gave an exact description of the attacker. I'm afraid I can't give you the exact details of the show yet.

I exacted a promise from Ros that she wouldn't say a word.

The exact mechanism of the antitumour activity of doxorubicin is not known.

A woman tries to get an exact measurement. An example of something exact is a measurement of water that is completely accurate.

1. I bet I could guess your exact height. / 2. Are you able to define the exact moment at which current events become history?