adj.不知疲倦的，不觉疲劳的，精力充沛的

原形：tireless比较级：more tireless最高级：most tireless

Tom is a tireless fighter against racism.
汤姆是一位不屈不挠的反种族歧视的斗士。
Eric was a tireless worker for justice.
埃里克是个为了正义不知疲倦地工作的人。
Lisa was quite tireless,bubbling over with vitality.
丽萨毫无倦意，兴致勃勃地说个没完。
She worked tirelessly around the clock to meet the project deadline.
她为了赶上项目截止日期，日以继夜地不辞辛劳地工作。
The volunteer was tireless in his efforts to help the homeless find shelter.
这位志愿者在帮助无家可归者寻找住所方面不知疲倦。
The researcher was known for her tireless pursuit of knowledge in the field of genetics.
这位研究者因在遗传学领域不懈追求知识而闻名。
He ran tireless miles every day to prepare for the marathon.
他每天不厌其烦地跑上好几英里，为马拉松做准备。
The nurse's tireless dedication ensured that every patient received the best care possible.
护士的不懈奉献确保了每位病人都得到了尽可能好的照顾。
Despite the challenges, the social worker remained tireless in advocating for children's rights.
尽管面临挑战，这位社会工作者在倡导儿童权利方面依然不遗余力。
The athlete's tireless training regimen paid off when she won the gold medal.
运动员不懈的训练计划在她赢得金牌时得到了回报。
The teacher's tireless encouragement inspired her students to reach their full potential.
老师不懈的鼓励激发了学生们发挥出最大的潜能。
The environmental activist worked tirelessly to raise awareness about climate change.
这位环保活动家不知疲倦地工作，以提高人们对气候变化的认识。
Through tireless experimentation, the scientist finally discovered the cure for the disease.
经过不懈的实验，这位科学家最终发现了治疗这种疾病的方法。