If anything goes wrong, please keep calm.

如果出了什么事，请保持冷静。

youdao

You'll be held responsible if anything goes wrong.

出了事唯你是问。

《新英汉大辞典》

Don't worry. If anything goes wrong, I'll take responsibility for it.

没关系，出了问题我兜着。

《新英汉大辞典》

Japanese Defense Minister Yasukazu Hamada says he has ordered the interception of any dangerous debris, if anything goes wrong with North Korea's planned rocket launch.

VOA: standard.2009.03.27

All ship's instrumentation is integrated, so if anything goes wrong, the systems can completely fail.

BBC: Navigational backup to aid ships in Dover straits

They must draw up contracts to allocate any profits and what will happen if anything goes wrong.

ECONOMIST: Business angels: Giving ideas wings | The

"If anything goes wrong, there will be no one standing by my side, " he said at the time.

WSJ: Graft Worries Slow India Coal Imports