make or become hard or harder
(使)变硬(或变得更硬)
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[no obj.]
wait for the glue to harden 等胶水干
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[with obj.]
bricks which seem to have been hardened by firing .像似烧制变硬了的砖头。
make or become more severe and less sympathetic
使(或变得)冷酷无情
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[with obj.]
she hardened her heart .她硬起心肠。
make or become tougher and more clearly defined
变明确
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[no obj.]
suspicion hardened into certainty .怀疑得到了证实。
[no obj.](of prices of shares, commodities, etc.)rise and remain steady at a higher level
(股票、商品价格等)升水(上涨并保持高价位)。
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hardening of the arteries another term forARTERIOSCLEROSIS . 同ARTERIOSCLEROSIS .
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harden something off inure a plant to cold by gradually increasing its exposure to it 使(植物)提高抗寒能力