adj.胆小的，胆怯的，怯懦的
n.懦夫

Craven ran away at the sight of a spider, his fear was craven.
例句：Craven看到蜘蛛就逃跑了，他的恐惧真是懦弱的表现。
The politician's decision to back down was a craven act of cowardice.
例句：那位政治家退缩的决定是懦弱的行径。
He had a craven fear of heights, which prevented him from climbing mountains.
例句：他对高处有极度的恐惧，这使他无法去爬山。
The soldier's bravery in battle was a stark contrast to his craven behavior during peacetime.
例句：这位士兵在战场上的英勇与他在和平时期胆小的行为形成了鲜明对比。
His craven desire for power led him to make unethical decisions.
例句：他对权力的贪欲驱使他做出了不道德的决定。
She criticized the craven politicians who put their own interests above the people they serve.
例句：她批评那些只顾自己利益、不顾人民的怯懦政客。
The author portrayed the villain as a craven coward, always running from confrontation.
例句：作者将反派描绘成一个胆小鬼，总是逃避冲突。
In the face of adversity, he showed no craven cowardice, but stood tall and勇敢应对。
例句：面对困境，他并未表现出怯懦，而是挺身而出，勇敢面对。
The craven CEO resigned after a series of corporate scandals.
例句：这位怯懦的CEO在一系列公司丑闻后辞职了。
His cravenness was evident when he refused to take responsibility for his mistakes.
例句：他在犯错后拒绝承担责任，这充分显示了他的怯懦。