If you are breathless, you have difficulty in breathing properly, for example, because you have been running or because you are afraid or excited. 上气不接下气的
adjective [原级]喘不过气来的;停止呼吸的
I was a little breathless and my heartbeat was bumpy and fast. 我有点上气不接下气,我的心跳不稳并且很快。
breathless
“ -less” ⌜ 表示缺乏或没有某种特性 - indicating the absence or lack of a particular quality ~ ⌟