メグはドラムをたたいている。

to show signs of ...; to have the appearance of ...; to jerk off; to masturbate

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

drum; dram; drachm

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 strike; to clap; to knock; to dust; to beat; to play drums; to abuse; to flame (e.g. on the Internet); to insult; to use up money; to call; to invoke (e.g. a function)