to end a relationship or stop communicating with someone
関係を終わらせるか、誰かとのコミュニケーションを止める (kankei o owaraseru ka, dareka to no komyunikeeshon o tomeru)
"After the big fight, she decided to break off with him for good."
"大きな喧嘩の後、彼女は永遠に彼と別れることに決めました。" (ookina kenka no ato, kanojo wa eien ni **kare to wakareru koto ni kimemashita)
to motivate and encourage yourself to keep going
to cooperate or collaborate with someone on the same task or...
to include someone in information or discussions
to mention a topic briefly and politely
to discuss something thoroughly to reach clarity
to use something in small or limited amounts