1、obligation
义务;责任
When teachers assign homework, students usually feel an obligation to do it.
老师布置作业时,学生通常认为完成作业是一种义务。
Ministers are under no obligation to follow the committee's recommendations.
部长不必非得听从委员会的建议。
(照顾某人或保护某人利益的)义务,责任
The United States will do that which is necessary to meet its obligations to its own citizens.
美国将为自己的公民尽其应尽的义务。
I have an ethical and a moral obligation to my client.
我对我的当事人负有道义上的责任。
(广告中产品或服务)免费试用地,免费体验地
If you are selling your property, why not call us for a free valuation without obligation?
如果您打算出售房产,何不打电话让我们作免费估价呢?
You can review your policy in detail for a full 15 days without obligation.
您可以在15天的免费体验期内仔细审核保单细则。
2、deter
威慑住;吓住;阻止;制止
Supporters of the death penalty argue that it would deter criminals from carrying guns.
死刑的支持者认为它能阻吓罪犯携带枪支。
Arrests and jail sentences have done nothing to deter the protesters.
逮捕和监禁都没能吓倒抗议者。
3、aggression
好斗性;攻击性
Aggression is by no means a male-only trait.
好斗性绝非男性才具有的特征。
侵略;侵犯
The raid was an unjustifiable act of aggression.
那次偷袭是一种不正当的侵略行径。
the threat of massive military aggression.
大规模军事侵略的威胁











