flotsam and jetsam

Noun

 * 1)  The remains of a shipwreck still floating in the water.
 * 2)  That which has been discharged from a ship or boat, especially on the ocean or a sea, (flotsam unintentionally and jetsam intentionally).
 * 3)  A collection of miscellaneous items or fragments of little importance.
 * 4)  People considered to be of little worth.
 * The flotsam and jetsam of society were at the night club.

Translations

 * Chinese:
 * Mandarin: 海难碎片, 搁浅的垃圾
 * German: Treibgut und Strandgut