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He was a big man in his forties; once he had a lot of muscle but now he was running to seed.
他 40 多岁时很魁梧，曾经肌肉发达，但如今身体逐渐衰弱了。
《柯林斯高阶英汉双解学习词典》
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When we're in our thirties and forties, money, cars, and relationships replace the skateboard.
而当我们到达三十岁,四十岁时, 金钱, 汽车及亲密关系又替代了滑板的重要性.
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Results fishbone shows that there are forties factors affecting the results of dermatologic surgery.
结果:鱼骨图显示有数十项因素会影响皮肤外科手术的成功开展.
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He was a big man in his forties, smartly dressed in a suit and tie.
他是一个四十多岁的高大男子，穿西装打领带，看上去很精神。
《柯林斯高阶英汉双解学习词典》
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More than 50 per cent of females in their mid-forties regularly go clubbing.
50%以上的女子在四十五六岁时经常去夜总会.
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