marked by calm self-control (especially in trying circumstances); unemotional;
"play it cool"
"stayed coolheaded in the crisis"
"the most nerveless winner in the history of the tournament"
"a weak, nerveless fool, devoid of energy and promptitude"
- The knife fell from his nerveless hand.
A nerveless diplomatist who only has to be menaced and he will yield.出自：Liverpool Daily Post
Vic's last action is normally to detach a book from Marjorie's nerveless fingers.出自： D. Lodge