cast off

phrasal verb
1
to untie the ropes that are holding a boat in a fixed position, in order to sail away
رهاندن کشتی
2
to remove stitches from the needles in a way that forms an edge that will not become loose
بستن کار, بافتن پایانی
3
to get rid of something because you no longer want or need it
دور انداختن, کنار گذاشتن, رهایی یافتن, رها کردن, خلاص شدن از
The town is still trying to cast off its dull image.