0 If a better situation or an opportunity to do something turns up, it happens or becomes available unexpectedly or in a way that was not planned: --
1 If something that you have been looking for turns up, you find it unexpectedly: --
The missing letter eventually turned up inside a book.
2 a piece of material at the bottom of a trouser leg that is folded back: --
trouser turn-ups
3 something that happens in an unexpected way or in a way that was not planned --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.