craven n. 懦夫
---------coward
A hero risks his life to help others; a craven runs from the scene.
trepidation n. 惊恐； 惶恐
-------nervous agitation; fear; fright; trembling
I thought Carol would be nervous when she made her speech, but she delivered it without trepidation.
cower vi. （因恐惧，痛苦等）畏缩
-------draw back trembling; shrink or crouch in fear; cringe; recoil
Brave men defy tyrants, instead of cowering before them.
intimidate vt. 胁迫； 威胁（某人做某事）
------make fearful or timid; frighten; force by fear; cow; bully
The younger boys would not have given up the playing field so quickly if the older boys hadn't intimidated them.
apprehensive adj. 不安的； 忧虑的
------expecting something unfavorable; afraid; anxious
Several apprehensive parents telephoned the school when the children were late in getting home from the museum trip.
dastardly adj. 欺善怕恶的； 懦弱的
-------cowardly and mean
It was dastardly of the caption to desert the sinking vessel and leave the passengers to fend for themseves.
timid adj. 胆怯的
-----lacking courage or self-confidence; fearful; timorous; shy
If the other team challengers us, we should accept. Let's not be so timid!
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