That was a year earlier than planned, but the Hunters were becoming too expensive to maintain.

The traditional London town house was becoming increasingly expensive to maintain.

"I enjoyed that, but it became harder to maintain a level of high consistency."

After she had left, I realized that it was becoming increasingly difficult to maintain my professional silence.

However, the class were becoming increasingly expensive to maintain through physical wear and increased age of components.

But the better he played in those events, the harder it became to maintain his amateur status.

It really was becoming very difficult to maintain her normal sensible manner.

But as the weeks wear on and the court does its work, that balance may become harder to maintain.

"That image is becoming a little harder to maintain," he said.

But they are a tradition becoming increasingly difficult to maintain.