sensible; that you can rely on and that will probably give good results明智的；合理的；可靠的；正确的◆Accurate data provides a sound basis for making decisions.准确的数据为决策提供了可靠的依据。good and thorough全面的；透彻的；完备的◆Applicants should have a sound knowledge of network software.应征者应当具备全面的网络软件知识。in good condition; not damaged完好的；未损坏的◆The building is old, but sound.这栋大楼虽然旧了，但是完好无损。