"If they allow that reactor to be built there, it'll be a bechiya le-dorot." (Glinert)
"Even Menachem Begin, who was not at all wishy washy, maintained that Jews must not let disagreements divide them into irreconcilable camps. He himself warned in a speech, 'Twenty centuries ago we faced the bitter experience of the destruction of our Second Temple, the destruction of our capital Jerusalem. And why? Because of our senseless hatred of each other, a hatred that led to civil war and to our utter ruin: bechiya ladorot – generations of tears.'" (source)
"Ben-Gurion qualified the cabinet's decision as bechiya ledorot ("a source of lament for generations") considering Israel may have lost forever the Old City of Jerusalem." (source)
"It will be a bechiya ledoros if local health departments become the arbiters of halachic practice." (source)
"So successful was the Yetzer Hara’s counter attack that, instead of Yemos HaMashiach, we inherited a bechiya ledoros, and, at the time of this writing, Mashiach has not yet come." (source)