some loose ends

loose ends

The aspects of something that are unresolved or unfinished. I just need to tie up a few loose ends before I put the house up for sale. My thesis is almost done—the only loose ends are formatting and proofreading. I have a few loose ends I want to address before I move out West.
See also: end, loose
Farlex Dictionary of Idioms.

*some loose ends

Fig. some things that are not yet finished; some problems not yet solved. (*Typically: are ~; have ~; leave~; tie ~ up; take care of ~.) I have to stay in town this weekend and tie up some loose ends.
See also: end, loose
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • loose ends
  • the loose ends/threads
  • at loose ends
  • tighten the reins
  • pull in the reins
  • rough out
  • let loose of
  • let loose of (someone or something)
  • give up on (someone or something)
  • work someone over
References in classic literature
"I expect we've all left some loose ends stickin' out," said Lord John.
The Poison Belt
Akers swiftly replied on the same day, telling the police he was just tying up some loose ends.
Fugitive replies to own wanted post on FB, tells police he's surrendering
The last episode seemed to be a tie up of some loose ends. Undoubtedly the audience wanted a very powerful ending which the script definitely required.
Losing Track
Lowry says some loose ends need to be tidied up before the transaction is finalized.
Tribal Council to acquire mill project
The book concludes by tying some loose ends of the analysis to seemingly contradictory generalizations in which Italian history abounds.
The Politics of Exile in Renaissance Italy
It can be satisfying when two conundrums fit together -- they may just form one big puzzle, but at least some loose ends have been tied together.
Viroids: introns on the run?