彼女はやたらと靴を買う。

she; her; her; girlfriend; sweetheart

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

indiscriminately; blindly; at random; recklessly; thoughtlessly; excessively; profusely; indiscriminate; random; excessive

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

shoes; boots; footwear; footgear

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 buy; to purchase; to value; to have a high opinion; to stir; to provoke