However, if somebody already has cardiovascular disease, then it might just tip them overtheedge and trigger a heart attack.
但如果有的人本来就有心血管疾病，那这就可能把他们逼到临界点，导致心脏病发作。
2
What’s more, there is probably not enough conventional oil left to tipthe climate over the edge.
更甚者，我们可能已经没有足够的传统石油将气候从危险边缘挽回了。
3
Improved relations with employees could not save the company from entering bankruptcy in September 2005, however, when surging fuel costs helped to tip Delta overtheedge.