Sentence examples for it is hard to keep from inspiring English sources

But because of its light weight — 3,500 pounds, equivalent to a midsize car — it is hard to keep stable in winds stronger than 7 knots.

It is hard to keep up.

SOMETIMES it is hard to keep a good girl down.

Yet, it is hard to keep such a secret.

It is hard to keep up with Ian Hart.

And it is hard to keep count of Asia's free-trade agreements.

At times it is hard to keep the various case histories in mind.

Jol said: "If you have a year to go it is hard to keep someone.

Sometimes I go so fast it is hard to keep up with the pedals.

It is hard to keep your head when people all around are losing theirs.

(Bob's pets come and go with such languorous presence that it is hard to keep count).