It would be a tragedy if anything went wrong.

如果出了什么事就是一个悲剧。

youdao

He said they served as an ominous warning of what awaited the journalist and crew if anything went wrong.

BBC: NEWS | UK | Northern Ireland | Tiny Titanic souvenirs up for grabs

Making any mistake once was OK, but repeating that same mistake a second time was NOT OK. The hard, fast rule was that if you made any mistake for the first time the entire team would have your back in fixing that mistake if anything went wrong.

FORBES: Good Employees Make Mistakes. Great Leaders Allow Them To.