recollect, look back / reminisce

insensitive / calm; composed; unconcerned

a kind of traditional Chinese stringed instrument played with a bow / (rare) a violin, a fiddle

colourful beautiful rainbow

(anatomy) skull, cranium

motorcycle / bicycle

a surname

(linguistics) idiom, set phrase

(graphical user interface) an icon, a small image indicating a user element / (Christianity) an icon, a religious image of a saint

soldier / tactician / School of the Military, one of the Hundred Schools of Thought, which studied warfare and strategy