锁定
suǒdìng
to lock, to close with a latch
HSK 79
Traditional鎖定
Additional Dictionary Meanings
to lock (a door)to close with a latchto lock into placea locka latchto lock a computer file (to prevent it being overwritten)to lock (denying access to a computer system or device or files, e.g. by password-protection)to focus attention onto target