sweat blood
Moby betekeniswoordenboek: aim, be determined, endeavor, haul, heave, labor, overexert, overextend, overstrain, overtax, press, pull, rack, resolve, seek, strain, strain every nerve, stress, stretch, strive ... meer laten zien.
Vind elders meer over sweat blood: etymologie - rijmwoorden - Wikipedia.
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