It has been forced to offer its own top-up loan to sweeten the deal.
Times, Sunday Times (2008)
I wouldn't be surprised if the Germans end up offering a premium and some cash to sweeten the deal.
Times, Sunday Times (2013)
To sweeten the deal, the investor would also get 50% of the voting rights.
Times, Sunday Times (2012)
Sometimes a supplier can't budge on the price tag itself but can throw in additional items or services to sweeten the deal for you.
The Sun (2010)