unsounded

形容词 unsounded:

1. situated at or extending to great depth; too deep to have been sounded or plumbed
   同义词：profound, unfathomed, unplumbed
2. not made to sound
   同义词：silent

1. His lungs were unsound.
   他的肺部不健康。
2. The house roof was (structurally) unsound.
   这屋顶(结构)不牢固。