The thinking is good-hearted, but muddled and fundamentally unsound.这个想法的出发点是好的, 但是条理混乱, 而且本质上是错误的。

The national tests were educationally unsound.从教育角度看, 全国统考是不合理的。

No sensible person would put his money in a bank he knew to be unsound.凡是有头脑的人都不会把钱存到自己明知不可靠的银行里。

The project is environmentally unsound.这个项目会破坏环境。

A diet extremely low in calories can also be a diet that is nutritionally unsound.卡路里含量极低的饮食也会造成营养不良。

The church was structurally unsound.那个教堂的结构很不坚固。