不测

yǐ bèi bù cè

以备不测

provide against contingency

hǎo jǐ bǎi rén kǒng zāo le bù cè

好几百人恐遭了不测。

Hundreds of people are feared dead.

bù cè qíng kuàng

不测情况

unforeseen circumstance

shì yǔ yuàn wéi jìng yǒu bù cè

事与愿违，竟有不测。

The matter did not go as hoped, and there was an unexpected mishap.

yìng duì bù cè shì jiàn

应对不测事件

cope with unexpected incident