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（一段时间）艰苦地干，努力苦干
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they were slogging away to meet a deadline .他们在截止日期前拼命干。
[with adverbial of direction]walk or move with difficulty or effort
步履艰难地行进；跋涉
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I slogged through the heather in the heat. 我在炎热中艰难地穿过欧石南丛。
[with obj.]hit forcefully and typically wildly, especially in boxing or cricket
（尤指拳击或板球中）猛击
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batsmen careering down the pitch to slog the ball up in the air 击球手向前猛冲击打凌空球
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[no obj.]
the fighters were slogging away .拳手们挥拳猛击。
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竭力奋战；激烈竞赛
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they'll be slogging it out in the first round of the cup next Sunday .下周日杯赛第一个回合他们就要拼搏一番了。
[usu. in sing.]a spell of difficult, tiring work or traveling
一段时间的艰苦努力；跋涉
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it would be a hard slog back to the camp 走回营地将是一段艰苦的跋涉
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[mass noun]
it wasn't all slog during those years .那些年也并不全是艰辛奋斗。
a forceful and uncontrolled hit, especially in cricket
（尤指板球）猛击
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a slog hit the fielder on the helmet .一记大力击球打在了外场球员的防护帽上。
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slogv.艰苦地干；努力苦干；猛击；跋涉；步履艰难地行进；竭力奋战；激烈竞赛
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logn.原木；圆材；日志；船舶测速仪；观察记录
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slowadj.低速的；缓慢的；慢的；迟钝的；不曲折的；乏味的；无趣的；曝光慢的；小火的；弱火的
"early 19th cent.: of unknown origin; compare with