心血 xīn xuè

ㄒㄧㄣㄒㄩㄝˋ

NHSK 7-9

1heart's blood

2expenditure (for some project)

3meticulous care

wǒ men我们yǐ jīng已经huā花le了wǔ五gè个yuè月de的xīn xuè心血zài在zhè这shàng miàn上面le了。bié别zhè shí hòu这时候gǎo搞zá砸le了。

我们已经花了五个月的心血在这上面了。别这时候搞砸了。

We've been working on this for five months. Don't fuck it up now.