英和和英

mutual relation―reciprocal relation―interrelation―reciprocity

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

close in relationship

Deepen a relationship

the state of being associated with something

a relationship

a close connection

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

to relate a number of things to each other

connection

the state of being connected

to form a friendly relationship

a close relationship

place into a mutual relationship

to be related to

relation to someone or something

to have a relation with someone or something

to sever relations―sever connections

the act of forming into groups

the relation between the two

a relation between propositions

on a fair footing

of relations, to be broken off

of the relation between two {matters} or people, being slight

to concern oneself with something

end a relationship

I cut the whole concern.

The relation is complicated.

have a breach in relations

a relation between people