Well all you can do is add " like" or "as"
Jungle
Its a simile because it has the word like in it :]
simile
It is a metaphor I believe.
Mandolin.....maybe
fiddle and mandolin
A banjo-mandolin is a four-stringed instrument with a body of a mandolin and the neck of a banjo.
mandolin
Stiver Mandolin
Mandolin Wind was created in 1971.
mandolin (apex)
Mandolin Rain was created in 1987-01.