overwork

vi.劳累过度

overstep, overstock, overstrung, oversupply, overt, overtake, overtax, overthrow, overtime, overtly, overtone, overture, overturn, overview, overweening, overweight, overweighted, overwhelm, overwhelming, overwhelmingly, overwrought, overzealous, oviduct, oviparous, ovoid, ovulate, ovulation, ovum, ow, owe, owing, owing to, owl, owlet, owlish, owlishly, own, own brand, own goal, owner,