(of size or amount) small, little, tiny / (of age) young, little

(slang, sumo) the lowest rank in major-league sumo, so called because the 力士 (rikishi, “sumo wrestler”) names are displayed at the bottom of the 番付 (banzuke, “sumo rankings list or program”) in a small font, requiring the use of a magnifying glass to read easily

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

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

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to read (look at and interpret written text) / to read (speak aloud written text) / to infer; to speculate / to count

reading / (figuratively) understanding of something, speculation about something

use one thing for many purposes / work someone hard

to use one's head