/'breθlɪs; `brɛθlɪs/
adj
1 (a) breathing quickly or with difficulty; panting 呼吸急促或困难的; 气喘吁吁的
*breathless after running up the stairs 跑上楼梯後气喘吁吁的
* Heavy smoking makes him breathless. 吸烟过多使他气喘.
(b) causing one to be breathless; strenuous 引起气喘的; 费力的
*breathless haste/hurry/pace/speed 赶得使人喘不过气来的仓促[匆忙/步子/速度].
2 (a) [pred 作表语] holding one's breath (because of fear, excitement, etc) （因恐惧、激动等）屏住呼吸
*breathless with terror, wonder, amazement, etc 因恐怖、诧异、惊奇等而屏住呼吸.
(b) [attrib 作定语] tense; making one hold one's breath 紧张的; 使人屏住呼吸的
*a breathless hush in the concert hall 音乐厅内屏息无声.
3 with no air or wind 无空气的; 无风的
*a breathless calm 死寂.

adj
having difficulty breathing, especially because you are very tired, excited, or frightened
　The long climb left Jan feeling breathless.
breathless with
　They waited, breathless with anticipation.
written excited
　His first novel drew breathless superlatives from critics.
at (a) breathless pace/speed
extremely fast
literary unpleasantly hot, with no fresh air or wind
　the breathless heat of a midsummer night in Rome
>breathlesslyadv
>breathlessnessn[U]