invincible
adjective uk/ɪnˈvɪn.sə.bəl/ us/ɪnˈvɪn.sə.bəl/
不可战胜的;无法阻挡的
impossible to defeat or prevent from doing what is intended
Last year the company seemed/looked invincible but in recent weeks has begun to have problems. 该公司去年似乎无往不胜,但近几周开始出现问题了。
Synonym: unbeatable