英和和英

an unidentified ship

destination unknown

an unknown island

an unknown source

They are for an unknown destination.

an unknown quantity

an unknown quantity

an unknown amount

an unidentified witness

an unidentified flying object

a constantly changing address

an unidentified species

an undefined term

an unsecured note

an uncompleted line

an unlisted telephone number

an open harbor

an uncompleted pass

of undetermined species

of television, an unassigned channel

unknown in advance

unknown problem

to block the entrance to a harbour

a nonexistent goal

outside a port

an unexhausted well

an abandoned port

the port of shipment

not chartered

lights in a harbor