他们低估了问题的严重性，因此没意识到事态有多危险。

Tāmen dīgū le wèntí de yánzhòngxìng, yīncǐ méi yìshí dào shìtài yǒu duō wēixiǎn.

They underestimated the seriousness of the problem, so they didn’t realize how dangerous the situation was.

随着事态的发展，媒体的报道也越来越多。

Suízhe shìtài de fāzhǎn, méitǐ de bàodào yě yuèláiyuè duō.

As the situation developed, media reports also increased.

如果不及时处理，事态可能会进一步恶化。

Rúguǒ bù jíshí chǔlǐ, shìtài kěnéng huì jìnyíbù èhuà.

If it is not handled in time, the situation may further deteriorate.