Translation of "Mierzyć" in English

Co próbujemy mierzyć?

And what are we trying to measure?

Zawsze trzeba mierzyć wysoko.

We must always aim high.

On codziennie musi sobie mierzyć ciśnienie.

He has to have his blood pressure taken every day.

Nigdy nie musiała mierzyć się z wyzwaniem, jakim jest braku snu.

has never had to face the challenge of this thing called sleep deprivation.