鍵かぎをかける

expression, ichidan verb

lock; lock up

Standard expression for locking a door, window, or container with a key. Intransitive counterpart is 鍵がかかる.

See also: 鍵がかかる

• 出でかける前まえに必かならず鍵かぎをかけてください。

  Please be sure to lock the door before you go out.