In young children, it may take the form of defiant behavior but not overt sadness.

对儿童来说，可能出现藐视但不是公开悲伤行为。

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U.S.Ambassador Susan Rice, one of the sponsors of the resolution, said this fourth round of sanctions was warranted because Iran has not suspended its uranium enrichment activities but rather has increased its defiant behavior in recent months.

VOA: standard.2010.06.09

Critics of New START have been outraged to learn from press accounts that even as this defiant behavior continues, Mr. Obama's minions have been negotiating yet another agreement with Moscow - one that can only impose even more restraints on U.S. options with respect to missile defenses.

CENTERFORSECURITYPOLICY: Why New START is a non-starter

On Sept. 10, 2000, after Knight was warned multiple times, a confrontation between Knight and an Indiana student prompted the school's president, Myles Brand, to fire him for a pattern of "defiant and hostile" behavior.

WSJ: Indiana Hoosiers Are Back, but Missing Bob Knight