Just blow this whistle and hope a bear doesn't eat you!

就吹这个哨子，而且希望不会有熊会咬你！

youdao

The whistle makes a sound because you blow into it.

因为你向里面吹气，所以哨子发出声音。

youdao

If it fails to inflate, or you need top up the air, blow into this tube. A light and whistle are provided to attract attention.

如果充气失败，或者你需要补充充气，向管子直接吹气即可。一个照明灯和哨子供你引起注意使用。

youdao

Sadly, there is no independent referee who can blow a whistle and stop the game, assess a penalty and make you obey the rules.

FORBES: Impossible Things And Our Economic Recovery

But for anyone even peripherally involved in misconduct, the enormous uncertainties regarding the ultimate response by law enforcement make rushing to blow any whistle a very dubious proposition.

FORBES: Fools Rush In: The Best Potential Whistleblowers Have the Most to Fear

Blazer, the only American on the FIFA Executive Committee, is the first within the exclusive FIFA inner circle to blow the whistle on a colleague, and the allegation brought so much outrage that acting CONCACAF president Lisle Austin attempted to fire Blazer five days later for insubordination (the action was blocked, and now Austin is under investigation).

FORBES: FIFA Chaos Could Get U.S. Another Shot At Hosting World Cup