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