尾巴: tail, colloquial pr....
出山: to leave the mountain (of a hermit), to come out of obscurity to a government job, to take a leading position...
上级: higher authorities, superiors...
祖母: father's mother, paternal grandmother...
送: to deliver, to carry, to give (as a present), to present (with), to see off, to send...
领养: adoption, to adopt (a child)...
表面上: outwardly, superficially, on the face of it...