at somebody's expense

He read those books at the expense of everything else.

What I'd done wrong was win at the expense of everyone else.

Not focus on one thing at the expense of everything else.

No way must the one be at the expense of the other.

All the teachers were to take part in the course at public expense.

The city is going to have to be moved, at great expense.

She saw no point in having to win at someone else's expense.

Players must pay for the book at their own expense.

"But we do not want to move at the expense of Western security."

The opportunity came at the expense of someone who has been a good friend to me.