single-minded /ˌsɪŋgəlˈmaɪndəd/ adjective /ˌsɪŋgəlˈmaɪndəd/
adjective
Learner's definition of SINGLE-MINDED
[more single-minded; most single-minded]
: having only one purpose, goal, or interest : focused on one thing一心一意的;专心致志的
— single-mindedness
noun [noncount]