“作为的”用英语怎么说？

他要有挑战性,能有一番作为的事业.He wants a career that offers a challenge.不过,近来一些事件也提醒人们注意不作为的风险.Yet there have also been recent reminders of the dangers of inaction.受托人违反信托义务可以是作为的,也可以是不作为的.A breach of trust can be active or passive....