None of the competitors could catch up with the untiring runner who was in the lead.
没有一个参赛者能追上那个
知疲倦
领跑者。
知疲倦；屈挠；坚持懈
疲劳
;
,坚定;
勉;;;, 
情, 无怜悯心;，热情，积极;;，勇敢;None of the competitors could catch up with the untiring runner who was in the lead.
没有一个参赛者能追上那个知疲倦领跑者。
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