彼女はキーを探してポケットをさぐった。

she; her; her; girlfriend; sweetheart

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

key; long squealing sound

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 search (for something desired, needed); to look for; to search (for something lost); to seek (a suspect in a crime)

pocket

to feel around for; to fumble for; to grope for; to search for; to look for; to investigate; to probe into; to spy on; to sound out; to explore (parts unknown); to enjoy (natural beauty)