Wire the thermometers up to trigger off an alarm bell if the temperature drops.

把温度计的电线连接上，当温度下降时，就会触发警报。

《柯林斯英汉双解大词典》

When you click the trigger, it pops up an alert.

当你点击这个触发器时，它就会弹出一条警告。

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These situations trigger more consequences: Dialogue choices open up, others close off, and your reputation will delight some while antagonizing others.

这些情况都会触发更多的结果：对话选项改变，你的名声使得部分人亲近你，部分人敌视你。

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The new system update also enables game developers to set up trigger points in their games that provide PS3 system users the option to quickly and easily publish game related information from their favorite titles to Facebook.

ENGADGET: PS3 firmware 3.10 released with Facebook support, 'richer' trolling experience

On top of which, a state-mandated break-up could trigger a wave of lawsuits, further eroding trust in the system.

ECONOMIST: Bond insurers and the markets

David Antar of New York-based IPVideo Corporation says video surveillance can be set up to trigger warnings if bags are left unattended or suspicious activity takes place before or during a large-scale event.

WSJ: Bombing probe highlights expansion of surveillance