The marathon is a test of both endurance and
toughness.
马拉松是对耐力和坚韧性的双重考验。
She demonstrated remarkable
toughness in overcoming her illness.
她在战胜疾病中表现出非凡的坚韧精神。
The team's new coach has brought a new level of
toughness to their training.
新教练为球队的训练带来了更高的强度和坚韧度。
The material's
toughness makes it ideal for use in construction.
这种材料的坚固性使其成为建筑的理想选择。
His physical
toughness allowed him to endure the grueling workout.
他的身体坚韧使他能承受严酷的锻炼。
The survival of the company relied on its financial
toughness during the recession.
公司在经济衰退期间的财务稳健性决定了其能否生存下来。
The athlete's mental
toughness was as crucial as his physical strength in winning the gold medal.
运动员赢得金牌时，他的心理韧性与身体力量同样关键。
The project required a great deal of
toughness to see it through to completion.
完成这个项目需要很大的毅力和坚韧不拔的精神。
The soldier's resilience and
toughness were forged in the heat of battle.
这位士兵的坚韧和适应能力是在激烈的战斗中磨炼出来的。
Despite the challenges, she displayed an unwavering
toughness in pursuing her dreams.
尽管面临挑战，她在追求梦想的过程中展现出了坚定不移的坚韧。
Special steels boast physical and chemical properties that provide higher strength and toughness than ordinary steel.
Special steels are those with physical and chemical properties that provide higher strength and toughness than ordinary steels, and those that serve specific purposes in areas such as aerospace engineering and shipbuilding.
"Huayingshan Tunnel is of the highest toughness in terms of tunneling work among the four tunnels we've undertaken on the railway.
“在我们承担的这条铁路沿线四座隧道工程中，花营山隧道的开挖难度最高，其韧性最强。”
Tank series are popular for their toughness, boldness, elegance and versatility.
"Without Paul Volcker's toughness and guts, we may never have broken the grip of rising inflation and declining productivity that plagued the United States during the 1970s," former SEC Chairman Arthur Levitt wrote in the foreword of a Joseph Treaster's 2004 biography "Paul Volcker: The Making of a Financial Legend.