He looked up at the sky.
Kare wa ten o aoida.
he; him; his; boyfriend
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
sky; heaven; svarga (heaven-like realm visited as a stage of death and rebirth); deva (divine being of Buddhism)
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 look up (at); to look up (to); to respect; to revere; to ask for; to seek; to turn to someone; to depend on; to gulp down; to quaff; to take (e.g. poison)