How were these people not arrested? Arent there international laws against threatening to bomb an airplane? How were they not thrown in a Thai jail? This makes no sense.

那几个人怎么能不被拘捕呢？国际法难道不禁止人威胁炸飞机吗？他们怎么会不被关到泰国的监狱里呢？这真是不知所谓。

youdao

Obscene and threatening phone calls are against the law.

猥亵电话和恐吓电话是违法的。

《柯林斯英汉双解大词典》

In China, posting threatening words online is also against the law.

在中国，在网上发布威胁性言论也是违法的。

youdao

The focus of those talks is expected to be on U.S.-Somali cooperation against Islamist extremists and insurgents, who are threatening to topple the government in Mogadishu.

VOA: standard.2009.07.31

December 7 is known as "national students' day" in Iran, and it marks the anniversary of the 1953 slaying of three students by Shah Mohammed Reza Pahlevi's security forces, following a coup against populist Prime Minister Mohammed Mosadegh, earlier that year Eyewitnesses say hundreds of students have received threatening emails,this week, warning them not to participate in Monday's demonstrations.

VOA: standard.2009.12.07

We are making steady progress in the battle against life-threatening diseases each year.

FORBES: Why Democrats and Republicans Must Guard Against Unnecessary Regulation

And Vickery - the third member of the starting front row in Sydney - has had to battle against career-threatening back problems before returning as England captain.

BBC: Injury forces Thompson to retire

Anelka poked in from point-blank range to make it 3-0 after John Terry had headed a Malouda corner against the crossbar and Chelsea were threatening to run riot against the Slovakian league leaders.

BBC: MSK Zilina 1-4 Chelsea