slacked
v.
偷懒( slack的过去式和过去分词 );
减速;
放松;
例句:
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The train slacked up as it came into the station.
列车进站时减了速.
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His pace has gradually slacked.
他的步速逐渐慢了下来.
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Haas slacked off in his work.
哈斯工作很懈怠.
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It will be difficult to keep that motivation when my standard has slacked off and I am losing to players I feel I should beat.
来自BBC