Wind it like a watch with a key that's stored underneath the barrel, and when it's 'fully loaded' use your thumb to pull back the safety lever. Then squeeze the trigger.

用放置在枪管底端的转柄给它像手表一样上发条，当发条“全部上满”之后，用你的大拇指向后拉动枪栓，然后扣动扳机。

youdao

But before he can pull the trigger, a train whistle startles him.

但是在他开枪之前，一辆列车经过，汽笛声吓了他一跳。

youdao

Some decline was expected because if a person was intending to buy a house, the April deadline should have convinced them to pull the trigger quickly.

较低的衰退是预料之中的事，假如有一个人想要买房，四月的最后期限应该会使他尽快行动。

youdao

We are expressly not speaking here of automatic military weapons which rapid-fire lots of bullets with a single trigger pull.

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These automatic weapons which fire lots of bullets with a single trigger pull are illegal for any civilians to own unless they have acquired a very special Class III permit.

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Weapons like the Bushmaster mimic the appearance and some features of fully automatic military rifles, though they technically do not meet the definition of an assault weapon because they are semi-automatic -- meaning each shot requires a trigger pull.

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