英和和英

connection

mutual relation―reciprocal relation―interrelation―reciprocity

to be related to

an alliance

related department

a close connection

to concern oneself with something

foreign relations

meretricious relationships

to establish a relation to anything―establish a connection with anything

the state of being connected

relation to someone or something

one's relations to others

the relation between sovereign and subject

a relation between meanings

something of that sort

interpersonal relations

With that relationship

close in relationship

taxonomic relations

a relation of direct opposition

a close relationship

of a relationship, an alliance

to have a relation with someone or something

an associative relation

a batch of things that go together

a relationship

place into a mutual relationship

to sever relations―break off relations―sever connections―cut the connection―（between the two）

a relationship of cooperating with each other