红顶绿鸠

apex / crown of the head / top / roof / most / to carry on the head / to push to the top / to go against / to replace / to substitute / to be subjected to (an aerial bombing, hailstorm etc) / (slang) to "bump" a forum thread to raise its profile / classifier for headwear, hats, veils etc

绿

綠

lǜ = lü + Ø4

green / (slang) (derived from 綠帽子|绿帽子[lü4 mao4 zi5]) to cheat on (one's spouse or boyfriend or girlfriend)

鸠

鳩

jiū = ji + ou1

turtledove / (literary) to gather