(Internet slang) Alternative form of 携帯電話

"what-if" alternative history (real-life) / events (fictional)

Alternative letter-case form of if

if; supposing; in case

模試: a mock exam

Clipping of 模擬試験 (mogi shiken, “mock exam”).

to use / to employ / to make use of, to apply / to spend

plan, a set of intended actions / plan, diagram, drawing, blueprint

to stand, to place in an upright position / to release something physical but not solid or liquid / (Internet slang) to start (a thread)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend