孫たちは私に大きな喜びを与えてくれる。

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

I; me; private affairs; personal matter; secrecy; selfishness

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

big; large; great

joy; delight; rapture; pleasure; gratification; rejoicing; congratulations; felicitations

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 give (esp. to someone of lower status); to bestow; to grant; to confer; to present; to award; to provide; to afford; to offer; to supply; to assign; to cause; to pass (a variable to a function)