这是他的心血。
Zhè shì tā de xīnxuè.
English
This is his painstaking work.
painstaking effort; heart's blood
heart's blood; expenditure (for some project); meticulous care
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
这是他的心血。
Zhè shì tā de xīnxuè.
This is his painstaking work.
别浪费我们的心血。
Bié làngfèi wǒmen de xīnxuè.
Do not waste our hard work.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.