"a crazy scheme" "half-baked ideas" "a screwball proposal without a prayer of working"
例句
The rap on Barack Obama, at least in the realm of foreign policy, has been that he is a softheaded idealist who thinks that he can charm America's enemies. 至少在外交政策方面，有人这样指责奥巴马：他是个天真的理想主义者，以为能凭借个人魅力征服美国的敌人。
