“进取心”的英语可以翻译为：enterprise，go-ahead，push，gumption ...

雇主说他缺乏进取心和干劲.His employer had described him as lacking in initiative and drive.他 虽然 聪明,但不会成功,因为他缺乏进取心.He's clever but won't succeed because he lacks drive.她很有进取心.She has plenty of push....