To be shut or closed (e.g. a door, window, shop); to become closed.
駅の自動ドアが閉まると発車します。
The train will depart once the station's automatic doors close.
あの店は八時に閉まるから、急ごう。
That shop closes at eight, so let's hurry.
窓がきちんと閉まっているか確認してください。
Please check whether the window is properly closed.
To be firm or well-conditioned (of the body, face, expression); to look tightened or fit.
彼はジムに通ってから体が締まってきた。
Since he started going to the gym, his body has become more toned.
試合前で選手の表情が締まっている。
The players' expressions are tense and focused before the match.
最近よく寝ているので顔つきが締まったように見える。
Lately I've been sleeping well, so my face looks more refreshed and firm.
To be locked; to become secured with a lock so it cannot be opened.
帰ったら家のドアが閉まっていて、鍵がかかっていた。
When I got home the house door was closed and locked.
自転車はきちんと閉まっているか確認してから出発した。
I checked that the bicycle was properly locked before leaving.
To become tightened or drawn tight (e.g. a screw, rope); to be fastened tightly.
ネジがしっかり締まっているか確かめてください。
Please make sure the screw is properly tightened.
靴紐を締めたら足がもっと締まって歩きやすくなった。
After tightening my shoelaces my feet felt more supported and it was easier to walk.
To sober up; to become tense or mentally tightened (i.e. to become serious or more alert).
朝になって酔いがすっかり抜け、気分が締まった。
By morning the intoxication had completely worn off and I felt clear-headed.
監督の一言で選手たちの空気が締まり、練習に集中し始めた。
With one remark from the coach the team's atmosphere tightened and they began to concentrate on practice.