Obliquely opposite: the pronunciation Xiédu miàn means that two people are not facing each other, or are not in the direct vision range.

Make sentences:

1, she called me in the street diagonally across the street.

The library is diagonally opposite to our school.

You have to change it at the bank diagonally across the street.

4. We are diagonally opposite a tree.

I looked up at my friend sitting diagonally opposite me.