to be linked together or interconnected in a sequence or series

to cordon off a specific area or suppress information to prevent access, escape, or leakage

to restrict access to a computer system, account, or file to prevent overwriting or unauthorized use

to lock the door

the long bone that connects the breastplate to the shoulder, also known as the clavicle

metal links joined together used to bind or restrain

metaphorical restraints or constraints on freedom, thought, or progress

a physical or chemical process in which the products themselves promote the continuation of the process, such as in nuclear fission

to lock from the outside; to be locked in

to lock; to secure or fasten something with a lock

to lock; to block off

to undo a physical or digital lock

to lock; to be locked

blockade line; cordon

a tool used to operate a lock

to close a country off from the outside world and exclude foreign contact

a lock

to lock; to engage the lock (of a gate, vehicle, etc.)

the physical objects of a lock and its corresponding key

deadlock (computing)

to close a country to foreign trade or contact, typically as a matter of national policy

an electronic latch

The idiomatic concept that different situations, problems, or individuals require unique, tailored solutions.

built-in lock; concealed lock (flush with the surface, with only the keyhole visible) (contrasted with [[明锁|明鎖|ming2 suo3]] "exposed lock")

to unlock

the shackles of fame and fortune

a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key

locked in (with the door locked from the outside)

lock-up period (on stock options or investment shares)

a spring lock that engages automatically when a door is closed

enshrouded or enveloped in thick mist or fog

a security lock designed to provide extra protection or to ensure that a mechanism or door remains closed and locked safely.

bolt-action lock (sliding bolt mechanism, surface or mortise-mounted)

to open a lock by manipulating its internal mechanism without using the original key

An exposed or external lock (such as a padlock or surface-mounted latch), contrasted with a built-in lock ([[暗锁|暗鎖|an4 suo3]]).

(of one's brow) tightly knit or frowning due to worry or concentration

to contract or knit together tightly, typically used in describing the facial features like eyebrows when one is worried or concentrated.