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艰苦的条件
1、tough───adv.强硬地，顽强地；n.(Tough)人名；(英)图赫；n.恶棍；adj.艰苦的，困难的；坚强的，不屈不挠的；坚韧的，牢固的；强壮的，结实的；vt.坚持；忍受，忍耐
2、tough task───艰巨的任务
3、the tough───强者
4、condition───n.条件；情况；环境；身份；vt.决定；使适应；使健康；以…为条件
5、tough solar───坚固的太阳能
6、tough luck───不幸；坏运气；真不走运
7、dry condition───干工况
8、operating condition───运行状态，运行条件；Cao作规范；运行条件，运转状态; 工作状况[条件]; Cao作规范[条件]; Cao纵[控制]条件
9、tough boy───硬汉
1、I have finished the first level of preparation and now I am starting on the second level, which focuses on strength building. It will allow me to face this long and tough season in top condition.───我已经完成了备战训练的第一阶段，现在正开始第二阶段力量部分的练习，它将使我能够以最好的状态迎接这个漫长而艰苦的赛季。
2、It has good airproof, and the frame material is used with high strength cast iron, SKF bearing. These ensure the motor can reliably run under the tough condition.───具有良好的密封型，外壳采用高强度铸铁材料，轴承选用SKF轴承，确保电机在恶劣的环境下可靠运行。
3、I truly believe that a sign of real strength is not to tough it out and pretend that the condition does not exist, but to be up front about it and get the help I need.───我真诚地相信，一个人真正强大的标志不是“面对困境坚持到底”以及假装那种状态根本不存在，而是直面它并得到我需要的帮助。