adj.难以击败的，打不垮的，已达极限的，难以竞争的

Her debating skills are unbeatable; she always wins the argument.
她的辩论技巧无人能敌，总能赢得争论。
The basketball team has an unbeatable record this season, making them the favorites to win the championship.
这支篮球队本赛季保持不败记录，使他们成为夺冠热门。
The security system of the bank is considered unbeatable, ensuring the safety of the deposits.
银行的安全系统被认为无懈可击，确保了存款的安全。
With his exceptional talent and hard work, he proved to be an unbeatable opponent in the music competition.
凭借他的非凡才华和努力，他在音乐比赛中证明了自己是无敌的对手。
The secret to her unbeatable success lies in her positive attitude and perseverance.
她取得无与伦比的成功的关键在于她的积极态度和毅力。
The new software algorithm is unbeatable when it comes to solving complex mathematical problems.
在解决复杂数学问题时，这款新的软件算法是无敌的。
The mountain climber's physical endurance and mental toughness made him virtually unbeatable in his expeditions.
登山者的体能耐力和精神坚韧使他在探险中几乎无敌。
The unbeatable combination of quality and affordability makes this product a top choice for consumers.
质量上乘且价格合理，这款产品成为了消费者的首选。
In the world of chess, the grandmaster's strategic thinking was deemed unbeatable.
在国际象棋界，这位大师的战略思维被认为是无人能敌的。
The team's teamwork and coordination were so unbeatable that they dominated the entire tournament.
这个团队的团队合作和协调能力如此强大，以至于他们在整个锦标赛中占据主导地位。