{固定关键字1}-{固定关键字2}

- adj. 腐爛變質的；謬誤的；無根據的；靠不住的
英英釋義
Adjective:

not in good condition; damaged or decayed;
"an unsound foundation"

not sound financially;
"unsound banking practices"

containing or based on a fallacy;
"fallacious reasoning"
"an unsound argument"

suffering from severe mental illness;
"of unsound mind"

physically unsound or diseased;
"has a bad back"
"a bad heart"
"bad teeth"
"an unsound limb"
"unsound teeth"

of e.g. advice
例句
用作形容詞 (adj.)

In theory as well as in practice, the idea is unsound.
此壞主意在說法上和實現里邊站停不下來腳。

Do not listen to unsound advice.
別去聽無依照的告誡。

I am afraid that it is an unsound investment.
我責怪這一成本靠停不住。
經典引文
They were fit young schoolboys and we were unsound in wind and full of beer. 選自：Blackwood's Magazine
詞匯搭配
of unsound mind 精神失常,頭腦不健全...

economically unsound project 經濟上不合算的項目...

unsound knot 朽節

unsound casting 不致密鑄件

unsound cement 變質水泥,不安定水泥...

unsound rock 風化巖石
近反義詞
【近義詞】

illogical 不合邏輯的

unsafe 不安全的

unwise 不明智的

hazardous 危險的

fallacious 使人誤解的

ill-advised 沒腦筋的

unreasonable 不合理的

risky 危險的

unhealthy 不健康的

unreliable 不可靠的

diseased 害病的

slippery 滑的

imprudent 輕率的

indiscreet 不謹慎的

unsteady 不穩定的

infirm 體弱的

precarious 不穩定的

defective 有缺陷的

ailing 生病的

unstable 不穩定的

unsure 不肯定的

ill 壞的

frail 脆弱的

unwell 不舒服的

poorly 貧窮地

rickety （連接處不牢固導致）搖晃...

ramshackle 要倒塌似的

specious 似是而非的

flawed 有裂紋的

mentally ill 精神病患者

unfit 不合適的

bad 壞的

【反義詞】

sound 聲音
臨近單詞

unstable unsolicited unsounded unsoundness unsound rock unsound mind unsound knot unsound grain unsound kernel unsound theory unsound cement unsound casting

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unsound