这些障碍物对于想要往上游游动的鱼儿来说是致命的。The barriers are lethal to fish trying to swim upstream.很难判断是谁给了致命的一击。It is impossible to say who struck the fatal blow.医疗当局对其病因及有多致命都还不甚了解。Medical authorities were baffled, both as to its causes ...

“致命”的拼音为：zhì mìng...

“致命”的英语可以翻译为：causing death，fatal，mortal，deadly，deadliness ...