この箱を片づけなさい。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

box; case; chest; package; pack; car (of a train, etc.); shamisen case; shamisen; public building; community building; man who carries a geisha's shamisen; receptacle for human waste; feces (faeces); counter for boxes (or boxed objects)

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 tidy up; to put in order; to straighten up; to put away; to settle (problem); to clear (dispute); to finish; to bring something to an end; to marry off (e.g. a daughter); to do away with someone; to bump someone off

to do