use one thing for many purposes / work someone hard

to use one's head

the way one feels unsettled due to fright / the way one is upset

心筋梗塞: (medicine) heart attack, myocardial infarction

restriction; restraint

high speed / (colloquial) expressway (abbrev. of 高速道路)

(medicine) heart attack, myocardial infarction

ridiculous (oppressive, etc.) school regulation

in what manner, how / what about... (used to make a suggestion)

Casual greeting: Howdy? What's new? What's up? / Casual question: It works? Is it OK? / Call out to horses or cows to control/stop them: Ho! Hoy! Whoa!