complicit

他保持沉默，实际上是对欺诈行为的一种默许。

By staying silent, he was ___complicit in the fraud.

法官认定这位官员参与了腐败行为。

The judge ruled that the official was ___complicit in the corruption.

如果他知情不报，那么在这起欺诈案中也难辞其咎。

If he knew about it but didn't report, he was ___complicit in the fraud case.