unconscionable act

基本解释

But a much greater number may now be punished for an unconscionable act of terrorism in Jerusalem.
ECONOMIST: Israel and the Palestinians
Thus, it seems an unconscionable act to let that much money just remain stagnant, not doing anything for investors.
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Furthermore, to refuse to accept the oil-spill containment resources offered by 13 countries, citing the Jones Act (which easily could be waived) was unconscionable.
CENTERFORSECURITYPOLICY: American weakness on display