versuchsweise; probeweise; zur Probe
the proof of the pudding is in the eating; the proof is in the pudding; don't knock it till you've tried it; you can't tell unless you try
is never the case; has never happened
is never the case; has never happened
introductory price (discounted); trial price
Bruchtest; Zerschlagen von z.B. Ziegelsteinen; Probedivision