虚 (Kanji for empty)

Has a strong connotation of hollow, as in hollow threats, full of hot air, etc.

Onyomi

KYO	Keep Your Odors empty by taking a bath at LEAST once a week. You don't want your odors to be full of stank. (unless maybe you're the hedgehog, of which see below)

The tiger felt empty so it ate the hedgehog.

謙虚(けんきょ)

modest ★★☆☆☆
謙 (modesty) + 虚 (empty) = 謙虚 (modest)

modest - this is a word you use about others. "She's got a very modest attitude."

虚栄(きょえい)

vanity ★★☆☆☆
虚 (empty) + 栄 (glory) = 虚栄 (vanity)

THINK of others - be considerate.

Don't play with that SWORD.

Your epidermis is in the tiger's STOMACH.

The HEDGEHOG is inside an empty tiger.