early 14c., of persons, "diseased, wounded," from un- (1) "not" + sound (adj.). Similar formation in Middle Low German unsund, Middle Dutch ongesont, German ungesund. Meaning "morally corrupt" is recorded from c. 1300; that of "not mentally healthy" is from 1540s. Sense of "not based on reasoning or fact" is attested from 1590s. Related: Unsoundly; unsoundness.
雙語例句
1. The thinking is good-hearted, but muddled and fundamentally unsound.
這個想法的出發(fā)點是好的，但是條理混亂，而且本質(zhì)上是錯誤的。
來自柯林斯例句
2. The national tests were educationally unsound.
從教育角度看，全國統(tǒng)考是不合理的。
來自柯林斯例句
3. The church was structurally unsound.
那個教堂的結(jié)構(gòu)很不堅固。
來自柯林斯例句
4. The project is environmentally unsound.
這個項目會破壞環(huán)境。
來自柯林斯例句
5. The use of disposable products is considered ecologically unsound.