Abandon ship (4)
(Other definitions for junk that I've seen before include "Transport" , "Scrap" , "Abandon" , "Sailing vessel; rubbish" , "ship" .)
(Other definitions for bail that I've seen before include "Act on leak" , "Crosspiece on a 14 across" , "Wooden bar" , "Sum of money guaranteeing the accused's return to court" , "Item resting on stumps" .)