to have a friendly relationship with someone
誰かと友好的な関係を持つ (dareka to yūkō-teki na kankei o motsu)
"They really get along with each other and are always laughing."
"彼らはお互いによくやっていて、いつも笑っています。" (Karera wa otagai ni yoku yatte ite, itsumo waratteimasu.)
not very intelligent; not a genius
to work hard on something for a long period
full of energy and not tired
to remain persistent and determined in difficult circumstanc...
to teach someone how to do a job or task
to reconnect later to get an update