work hard
101hard yakka — hard work, associated with labouring …
102hard labour — ► NOUN ▪ heavy manual work as a punishment …
103work at full stretch — work/be at full stretch ► to be working as hard as you possibly can: »OPEC members are at full stretch and cannot pump more oil. Main Entry: ↑stretch …
104work/be at full stretch — ► to be working as hard as you possibly can: »OPEC members are at full stretch and cannot pump more oil. Main Entry: ↑stretch …
105Work one's butt off — work very hard or diligently (from Middle English butt , bott buttock) …
106Work one's guts out — work excessively hard …
107work like mad — work very hard that it is almost inhuman …
108work my fingers to the bone — work so hard that I become thin and weak I worked my fingers to the bone to help my kids get an education …
109work one's fingers to the bone — work very hard She has been working her fingers to the bone for years trying to raise her three children …
110work (or run) oneself into the ground — exhaust oneself by working or running very hard. → ground …