Vous avez cherché: come about (Anglais - Chinois (simplifié))

come about
發生

how did this come about
这是怎么回事

this did not come about immediately, however.
但这一点并未立即实现。

but when the great calamity will come about
大难来临的时候，

and the judgment must most surely come about.
報應確是要發生的。

ps: a very dramatic transformation has come about.
相当戏剧化的转变发生了

this long awaited review will finally come about.
最终一定会进行这种期待已久的审查。

this has come about for three interdependent reasons:
出现这种情况有以下3个相互依赖的原因：

unfortunately, however, this has still not come about.
然而遗憾的是，这种情况并未出现。

how and why did these changes and consequences come about?
这些变革和结果是如何以及为何产生的？

security can only come about through just and comprehensive peace.
安全只能通过公正和全面的和平才会出现。

and it's a real shame. now why has this come about?
这是很可惜的，为什么会这样呢？

we have no fixed position on how such a text can best come about.
如何能够最好地产生这样一个文本，我们对此没有任何确定的立场。

collaboration within the united nations system did not come about easily.
联合国系统内部的合作来之不易。

and they say: when will this threat come about, if you are truthful?
他们说：这个警告什么时候实现呢？如果你们是诚实的人。

a new security environment has come about in the post-cold-war period.
冷战后阶段出现了新的安全环境。

another view was that in practice a truncated tribunal would come about only rarely.
另一种看法是，实际上，短员仲裁庭出现的机会微乎其微。

at the same time, countries must not lose sight of how the debt crisis had come about.
同时,各国必须吸取外债危机的教训。

any step beyond the mandate must come about through the established procedures of the united nations.
任何超出权限的步骤都必须经过联合国已经确定的程度采取。

and then speak a little bit about how it comes about.
然后我会讲一下和谐是如何发生