尽管我努力了，那男孩还是不起劲。
没有情人在身旁相伴，做什么事情都打不起劲，也觉得任何事情都引不起他们的兴趣。
No lover beside companions, do not vigorously fight for everything, feel everything they are not interested.
人不满意他目前的工作，往往是工作不起劲，比不上那些热爱职业的人工作热情高涨。
Studies have shown that people who are not satisfied with their jobs tend not to work as hard as people who like their jobs.
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