shif

Shif is often a misspelling of sifu.

Shif has no English definition.

As a noun sifu

is a pair of Cantonese terms, homophones, used in English to mean "master" or "teacher" in the context of martial arts, especially kung fu and tai chi, also used to denote "spiritual father" in esoteric uses.

Shif is likely misspelled.

Shif has no English definition.

As a noun focus is

a point at which reflected or refracted rays of light converge.

As a verb focus is

to cause (rays of light, etc) to converge at a single point.