1. союз that
as if, as though говорят, якобы он умер – they say that he has died он вообразил, якобы его произвели в генералы – he imagined he had been made a general
2. частица supposedly, ostensibly, allegedly, purportedly
as if, as though он якобы все понял – he says he has understood everything он приехал к нам якобы для того, чтобы работать – he came to us with the alleged purpose of working, he came to us supposedly to work мы посмотрели эту якобы страшную картину – we have seen this supposedly dreadful film
ostensibly
он ~ понял he seemed to understand, he said he understood
один из них ~ инженер one of them is supposed to be an engineer
он пришёл ~ для того, чтобы работать he came here ostensibly to work