slog (also slug)

n (infml 口) 1 hard stroke, eg in cricket 猛击（如板球赛中）. 2 (usu sing 通常作单数) period of hard work or walking 艰难的工作或行走期间: Marking the exam papers was quite a slog. 评阅试卷是很辛苦的工作. * It's a long hard slog up the mountain. 上山的这段路很难走.

slippage, slipped disc, slipper, slippered, slipperiness, slippery, slippy, slipshod, slipway, slit, slither, slithery, sliver, sliver-grey, slob, slobber, slobbery, sloe, sloe-gin, slog, slogan, slogger, sloop, slop, slope, sloppily, sloppiness, sloppy, slosh, sloshed, slot, slot-machine, sloth, slothful, slothfully, slothfulness, slouch, slouch hat, slouching, slouchingly,