work like a mule Synonyms

give a hundred per cent work like a slave eat heart out work one's socks off plod away push your limits break your back exert oneself work hard overtax yourself overwork yourself keep your nose to the grindstone exert maximum efforts be hardworking be hard-working work very hard work oneself to the bone be hard at work put one's back into something put your back into something work one's guts out work one's fingers to the bone work like a Trojan labour break one's back knuckle down pull out all the stops beaver away keep one's nose to the grindstone slave overwork grind away apply oneself break one's neck work like a horse work like a dog sweat one's guts out sweat blood slave away go the whole hog pull an all-nighter burn the candle at both ends lucubrate