1·Police used tear gas to break up a demonstration.
警察使用了催泪瓦斯来驱散示威活动。
—— 《柯林斯英汉双解大词典》
2·Police fired shots and used tear gas to disperse the demonstrators.
警察开枪并使用了催泪瓦斯来驱散示威人群。
—— 《柯林斯英汉双解大词典》
3·I saw the police using tear gas to try and break up a crowd of demonstrators.
我看到警察使用催泪瓦斯试图驱散示威人群。
—— 《柯林斯英汉双解大词典》
4·A masked gunman released tear gas and opened fire into a crowded movie theater in a suburb of Denver early Friday, killing 12 people and injuring at least 50 others, police said.
警方说，一名蒙面枪手周五凌晨在丹佛郊区的一个拥挤的电影院释放催泪瓦斯并开枪，造成12人死亡，至少50人受伤。
5·It is a weekend, but also a new beginning, but I live not too good today, because I do not know how to, frantically fart, fart, or the highest level: tear gas.
又是一个周末，又是一个新的开始，不过，我今天过得不是太好，因为我不知怎么地，疯狂地放屁，还是屁中的最高级别：催泪瓦斯。