That means an exchange of blows. Or a debate, if you prefer.

German Chancellor candidates clash on Trump, the far-right and NATO – In the first duel ahead of the February 23 election, Merz portrayed Scholz as a ditherer who had led Germany into economic crisis, while the Social Democrat presented himself as an experienced leader in command of the details…
Merz, far ahead in the polls and the favourite to become Germany’s next chancellor, expressed reluctance to raise taxes or borrow to reach the NATO alliance’s defence spending target of 2% of gross domestic product, far short of the 5% Trump is demanding.