Erosion of the white cliffs along the south coast of England has always been a problem but it has become more serious in recent years.

英格兰南部沿海白色悬崖的侵蚀问题一直存在，但近年来变得更严重了。

youdao

Your outlook has become more serious recently but this is all to the good.

你的展望近来变得更严肃，但这些所有都会是好的。

youdao

The fantasies become more serious during pregnancy as we dream of the child-to-be.

当我们真的怀孕了，这种幻想会在我们猜想孩子的性别时变得更加严肃。

youdao

"For the health sector, it will be to be ready to cope with a disease, which will spread in areas where they do not spread or which may become more serious,".

VOA: standard.2009.08.30

A more recent side effect of Ambien that's quite serious is some people become--have the compulsion while they're sleeping to go driving, which is not good.

最近发现安必恩一个挺严重的副作用,有些人睡觉时,会有梦游驾车的冲动，这可不是好事。

耶鲁公开课 - 心理学导论课程节选

If we don't find ways to mend it, the problem will only become more serious.

BBC: Power, corruption and the Communists

On the other hand, if credit problems become more serious or banks shrink lending further because of FinReg, the markets will decline, possibly severely.

FORBES: Danger Ahead

If Japan does not stand behind the loans it has made to Southeast Asia, then the spillover from Asia to the U.S. could become more serious, says Clough.

FORBES: The dreaded D word