/ˈbreθləs ||; ˈbrɛθləs/adj1 having difficulty breathing 气喘吁吁的；呼吸困难的: I was hot and breathless when I got to the top of the hill. 我登上小丘顶的时候浑身发热，上气不接下气。
2 not able to breathe because you are so excited, frightened, etc （因兴奋、恐惧等）透不过气，喘不过气:
to be breathless with excitement 兴奋得喘不过气来 ➔breathlessly adv