Definition
To kill someone by shooting them in the head.
枪杀
In the heat of a gang conflict, he threatened to blow his rival's brains out.
在帮派冲突中，他威胁要射杀他的对手的头。
In the movie, the protagonist was cornered, and the villain threatened to blow his brains out.
在电影中，主角被逼入绝境，反派威胁要射杀他的头。
He warned that if we didn't comply, he would blow all our brains out.
他警告说，如果我们不配合，他会射杀我们所有人的头。