拔去門閂,打開
Unbolt \Un*bolt"\, v. t. [1st pref. un- + bolt.] To remove a bolt from; to unfasten; to unbar; to open. ``He shall unbolt the gates.'' --Shak. Unbolt \Un*bolt"\, v. i. To explain or unfold a matter; to make a revelation. [Obs.] ``I will unbolt to you.'' --Shak.
unbolt v : undo the bolt of; "unbolt the door" [ant: {bolt}]