make a virtue (out) of sth

从其本意上应解释为：以某事为美德，广义应解释为：从某事中(或使某事转换为)得到对自己有利的东西。

to use something, especially a bad situation, to your advantage

将(尤指坏事)变好事;对…因势利导

I had a couple of months to spare between jobs so I thought I'd make a virtue of necessity by acquiring a few new skills.

我换工作期间有几个月空闲时间，因此不如趁此机会学一些新技能。