अव्यक्त in English:

Maths is a mix of abstruse theory and detailed calculation thats why not everybody likes it

Einstein's theories are quite abstruse.

latent anger/aggression/violence / each being develops latent and unsuspected capacities

There are many latent gays among rampant homophobes.

latent hostility/racism

The stages of psychosexual development—oral, anal, phallic, latent, and genital—turn out to be one big Freudian slip, betraying severe anal retention on the part of the taxonomist.