保不住

zhè ge tiān hěn nán shuō bǎo bu zhù huì xià yǔ

这个天很难说，保不住会下雨。

The weather is rather uncertain. Most likely it's going to rain.

míng tiān bǎo bu zhù xià yǔ

明天保不住下雨。

It's likely to rain tomorrow.

nǐ chuān nuǎn huo xiē ba bǎo bu zhù huì shòu liáng

你穿暖和些吧，保不住会受凉。

You should wear something warmer, otherwise you're likely to catch a cold.

zhì liàng kǒng pà bǎo bu zhù

质量恐怕保不住

unable to maintain quality

tā de bìng qíng hěn zhòng kǒng pà bǎo bu zhù mìng le

他的病情很重，恐怕保不住命了。

He is in critical condition and his life may be in danger.

yǐ qián yào shì yù dào zhè yàng dà hàn zhè kuài dì de shōu cheng jiù bǎo bu zhù le

以前要是遇到这样大旱，这块地的收成就保不住了。

In the past, such a serious drought would have badly affected the yield of this plot of land.