Clearly and crisply state your complaint and its impact without getting defensive or aggressive.

明白清楚地说明你的抱怨及其影响，但不要采取辩驳或挑衅的方式。

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They built forts and other defensive positions across the southern part of the state.

VOA: special.2009.09.03

With unions on the defensive in state legislatures on pension and medical benefits, evaluation systems and collective bargaining itself some teachers may be concerned that unions aren't fighting hard enough for their interests.

WSJ: Peterson, Howell and West: Teachers Unions Have a Popularity Problem

Also going in the first round was Florida State defensive end Bjoern Werner from Germany (Indianapolis, No. 24).

WSJ: 10 things to know about the NFL draft

One player who is getting the same repeated question from scouts is Penn State defensive lineman Jordan Hill.

WSJ: NFL Scouts Are Asking the 'Penn State' Question