减半

ér tóng huǒ chē piào jiǎn bàn

儿童火车票减半

half-price fare for children

dì èr jì dù tā men de lì rùn jiǎn bàn

第二季度他们的利润减半。

Their profits have halved in the second quarter.

zhǔ shí fēn zhōng zhí dào yè tǐ tǐ jī jiǎn bàn

煮十分钟，直到液体体积减半。

Boiling for 10 minutes until the liquid has reduced by half.

wǒ bì xū shè fǎ jiāng wǒ men de fèi yòng jiǎn bàn

我必须设法将我们的费用减半。

I must try to halve our costs.