一、harm 和harmfulness

harm n. v. 危害，伤害

do harm to someone 加害某人;让某人不满意[亦作do someone harm]  

no harm 无害

do harm 有害处，不利

come to harm 遭受不幸；受到损害

do no harm 无害，不伤害

harmfulness n. harmfulness 伤害,危害,危害性

harmfulness evaluation 危害性评价

High harmfulness 严重社会危害性

1.    If she had her way, Granick says laws would distinguish between legitimate activities and actions that cause harm. 

2.       This worked well until 1964, when a devastating report from the surgeon-general's advisory committee in effect ended medical uncertainty about the harmfulness of smoking. 

二、 attention 和 attentiveness

attention   n. 注意力；关心；立正！（口令）

pay attention 专心；集中注意力

pay more attention to 更加注意

pay close attention to 密切注意

be paid attention to 关心

give one's attention to v. 注意

  attentiveness n. 注意力；专注

1.    That dinosaur will draw his attention immediately.

2.    My attention was diverted for a moment by the accident. 

我的注意力在事故发生的一瞬间被转移了。

3.    But our level of attentiveness tends to drop off over time

4.    That attentiveness was one of the big effects of domestication, some scientists have argued, and a clear difference between the two species. 

有的科学家认为，驯化过程中取得的最大成效就是我们培养了狗的这种注意力，这也是狼与狗最明显的区别之所在。