to make someone understand what you mean
誰かに自分の言いたいことを理解させる (dareka ni jibun no iitai koto o rikai saseru)
"I tried to get through to him, but he just wouldn’t listen."
"私は彼にget through to himしようとしましたが、彼は全く聞こうとしませんでした。" (Watashi wa kare ni **get through to him** shiyou to shimashita ga, kare wa mattaku kikou to shimasen deshita)
being kind doesn’t take effort or money
to achieve more than before, to improve
someone who is honest and morally upright
being in a leading or important position in a field
to stop being involved in or responsible for something
something sounds familiar