Alter the length of a dress

• Alter, as a dress
• Take up again?
• Mend a skirt, perhaps
• Bring up, perhaps
• Change from maxi to midi, say
• Mend a skirt
• Alter anew as a dress
• Make new A-line lines
• Turn into a mini, as a midi

Wiktionary Word definitions in Wiktionary
vb. (context transitive English) To supply (a garment, etc.) with a new hem.