常見(jiàn)例句用作形容詞 (adj.)In theory as well as in practice, the idea is unsound.這個(gè)主意在理論上和實(shí)踐上都站不住腳。Do not listen to unsound advice.別去聽(tīng)無(wú)根據(jù)的勸告。I am afraid that it is an unsound investment.我擔(dān)心這項(xiàng)投資靠不住。 返回 unsounder