这份成绩来之不易,我们一定要珍惜。Zhè fèn chéngjì láizhī búyì, wǒmen yídìng yào zhēnxī.This result was hard-won, and we must cherish it.
他们的新家来之不易,是夫妻俩攒了十年的钱买的。Tāmen de xīn jiā láizhī búyì, shì fūqī liǎ zǎn le shí nián de qián mǎi de.Their new home was hard-won; the couple saved money for ten years to buy it.
这碗米饭来之不易,千万不要浪费。Zhè wǎn mǐfàn láizhī búyì, qiānwàn bú yào làngfèi.This bowl of rice was hard to come by, so please don't waste it.