1. craven /'kreɪvn/ n. 懦夫

A hero risks his life to help others; a craven runs from the scene.

英雄冒着生命危险去帮助别人；而懦夫却临阵脱逃。

2. trepidation /ˌtrepɪˈdeɪʃn/ n. 惊恐；惶恐

I thought Carol would be nervous when she made her speech, but she delivered it without trepidation.

我本以为卡罗尔发表演说时会很紧张，但她讲话时却一点也不害怕。

3. cower /'kaʊə(r)/ vi. （因恐惧、痛苦等）畏缩

Brave men defy tyrants, instead of cowering before them.

勇敢的人公然反抗暴君，不在他们面前畏缩。

4. intimidate /ɪn'tɪmɪdeɪt/ vt. 胁迫；威胁（某人做某事）

The younger boys would not have given up the playing field so quickly if the older boys hadn't intimidated them.

要不是那些较大的男孩威胁他们，这些小男孩不会这么快就离开球场。

5. apprehensive /ˌæprɪˈhensɪv/ adj. 不安的；忧虑的

Several apprehensive parents telephoned the school when the children were late in getting home from the museum trip.

当孩子们去博物馆参观而迟迟未回家时，忧虑的父母纷纷往学校打电话。

6. dastardly /ˈdæstədli/ adj. 欺善怕恶的；懦弱的

It was dastardly of the captain to desert the sinking vessel and leave the passengers to fend for themselves.

抛弃沉船并丢下乘客让他们自己逃生，这就是船长的懦弱。

7. timid /ˈtimid/ adj. 胆怯的

If the other team challenges us, we should accept. Let's not be so timid!

如果有其他队伍向我们挑战，我们应当接受。绝不能如此胆怯！