Fun, which can't be calibrated, has not proved susceptible to technological improvement.

The mice, remarkably, all stayed healthy, but every other species proved susceptible.

ALL of my children have proved highly susceptible to imaginary friends.

But even gifted teen-agers, raised to believe in themselves and their ground strokes, can prove susceptible to pressure.

"But whoever it was, that person has proven susceptible and therefore is still a danger."

Residents here have proved particularly susceptible to the right-wing party's message.

Additionally, it proved susceptible to problems due to wing flexing.

In several countries, the press in particular has proved susceptible to foreign takeover.

Which manager could prove most susceptible to the pressure?

"Though I do not: know why he should have proved so susceptible to the drug."