はいったらドアをしめよ。

to enter; to go into; to break into; to join; to enroll; to contain; to hold; to accommodate; to have (an income of); to get; to receive; to score

door (Western-style)

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.

tie up; bind; fastening; tightening; sum; total amount; total; judo choking (strangling) techniques; last meal eaten when going restaurant hopping; completion; conclusion; rounding off; counter for bundles; counter for faggots; counter for bundles of 2000 sheets of paper; end mark; closure mark

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!