呕心沥血

ǒuxīnlìxuè

shed one's heart's blood; take infinite pains; work one's heart out

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exert one's utmost effort; work one's heart out

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exert one's utmost effort; work one's heart out

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ǒu xīn lì xuě

v. shed one's heart's blood, take infinite pains, work one's heart out

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ou3 xin1 li4 xue4

lit. to spit out one's heart and spill blood (idiom), to work one's heart out, blood, sweat and tears

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呕心沥血

ǒu xīn lì xuè

make painstaking efforts; make every effort to (do one's best to) achieve perfection; shed one's heart blood; spare no pains; strain one's heart and mind; take infinite pains; throw all one's energy into; through painstaking effort; work one's heart out; work indefatigably; work with might and main

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嘔心瀝血|呕心沥血 [ǒu xīn lì xuè] ► lit. to spit out one's heart and spill blood (idiom) ► to work one's heart out ► blood, sweat and tears