トラックが犬をはねた。

truck; track (running, CD, DVD, etc.)

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

dog (Canis (lupus) familiaris); snoop (i.e. a detective, a spy, etc.); loser; asshole; counterfeit; inferior; useless; wasteful

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 hit (e.g. to have a car hit someone); to run into; to reject; to deny; to refuse; to eliminate; to exclude; to leave out; to flip; to splash; to splatter; to decapitate; to behead; to jump up; to point or curl up (e.g. ends of hair)