1 [U]: commitment (to sth) being prepared to give a lot of your time and attention to sth because you believe it is right or important (将时间、精力等)集中投入,投注:
I admire Gary's commitment to protecting the environment.我很赞赏加里对保护环境的献身精神。
2 [C,U] a promise or agreement to do sth; a responsibility 承诺;责任:
When I make a commitment I always stick to it.一旦作出承诺,我总能信守。Helen now works fewer hours because of family commitments.因为要照顾家庭,海伦现已缩短了工作时间。