twofold

1. ADJ You can use twofold to introduce a topic that has two equally important parts. 有两部分的[正式]

The reason for the interview is twofold: we want to find out what he can tell us, plus we also want to find out what condition he is in. 这一采访的原因有两个：我们既想看看他能告诉我们些什么，也想弄清他的处境如何。