Ahmet , don't be so wishy-washy please. Tell us what you really want and how you really feel. You are always admitting everything what we say.
And you will appreciate drinking the hot cup, or rather billy, of tea—which is more than one can call the wishy-washy concoction served up in some 'tea-houses'.
Not wanting to be pressed for details, public relations gave a wishy-washy answer.