If the consequence of the rope coming out of the krab would be catastrophic, a screw gate krab must be used;

如果绳子脱出钩环的下场很凄惨，一定要用带锁钩环；

youdao

For the profoundly risk averse and cautious (diffident is another word that applies) Japanese, we are talking a requirement for change that most societies endure and achieve only as a consequence of catastrophic circumstances, like war.

FORBES: The Nikkei to Japan's Manufacturers: To Survive, Invest Abroad

After all, it will be utterly untenable for any to profess that they "support the troops" if the predictable consequence of their actions will be to subject those troops to a devastating and strategically catastrophic Dunkirk in the desert.

CENTERFORSECURITYPOLICY: Dunkirk in the desert