薬が彼の病気を治した。

medicine; pharmaceuticals; (legal) drugs; efficacious chemical (i.e. gunpowder, pesticide, etc.); (pottery) glaze; small bribe

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

he; him; his; boyfriend

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

illness; disease; sickness

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to cure; to heal; to fix; to correct; to repair; to do over again (after -masu base of verb); to replace; to put back as it was; to convert (into a different state); to transform