The change, of course, was not sudden.

当然，改变并非突如其来。

youdao

I think that the professor, too, intended to keep silent regarding the part he knew, and that he would have destroyed his notes had not sudden death seized him.

我想教授也有此意，据其所知而刻意隐瞒。同时，若不是突然而至的死亡，他亦当摧毁个人手记。

youdao

Her sudden appearance did not seem to perturb him in the least.

她的突然出现似乎一点也没有令他不安。

《牛津词典》

With the sudden increase in population in some villages, there is not enough food to feed everyone.

VOA: standard.2009.10.05

Now not only does Phoebus Apollo make a sudden appearance, but he seems actually to interrupt the speaker of the poem in order to correct him.

不仅是他的登场让人措手不及，他似乎也打断了诗歌创作者的叙述,以此来对他进行纠正。

耶鲁公开课 - 弥尔顿课程节选

Milton has just been lamenting the fact that the laborious days of the poet might not result in a sudden blaze of fame.

弥尔顿正在为寂寂无名的诗人的,艰苦的生活而悲叹。

耶鲁公开课 - 弥尔顿课程节选

His descent into madness is rapid but not sudden, and his lunacy seems inevitable.

ECONOMIST: ��The Winter's Tale��: Crackling wire of menace | The

The stickiness of house prices suggests the drag on consumer spending will be long and grinding, not sudden and sharp.

ECONOMIST: America's economy

In fact, Brazil's emergence has been steady, not sudden.

ECONOMIST: Now the risk for Latin America��s big success story is hubris