refasten 
verb [with object]
Fasten again: Norman stooped to refasten the padlock...
- Gripping the book between her teeth, she undid her bra and, wincing, refastened it on the tightest hook.
- I returned my thank you and scurried off, feeling bad, pausing only briefly at the door to refasten my Barbour against the wind.
- William took the necklace from around the book, and, kneeling down in front of her, refastened it around her neck.
- (the) same to you!
- the sands (of time) are running out
- thesaurus
- the scales fall from someone's eyes
- the scheme of things
- the school of hard knocks
- the Scillies
- these
- the Secession
- these days
- these presents
- the Serpent
- Theseus
- the seven deadly sins
- the seven seas
- the seven-year itch
- the Seychelles
- the Shades
- the shape of things to come
- the sharp end
- the Shetlands
- the Shires
- the shirt off (or on) one's back
- the short end of the stick
- the sick man of ——