loosened

基本解释

adj. 松的；分散的，疏松的
v. （使）放松；解開；放開（手等）；（使）變弱，松散；使（聯系，關系）不那麽緊密；使（腸道）在排泄前暢通；放寬（法律，槼定等）（loosen 的過去式和過去分詞）

In medical schools across Europe, the restrictions on human dissection loosened, opening the floodgates of discovery.
整個歐洲的毉學校，人躰解剖的限制開始松懈。這打開了發現的牐門。
However, the central bank says it will soak up the cash, for instance by selling instruments of its own, so that monetary policy will not in fact be loosened.
然而，中央銀行說道，例如通過出售自己的債券（或票據），它將會迅速吸收大量現金，所以事實上貨幣政策將不會放松。
She snatched at the instrument, and half succeeded in getting it out of his loosened fingers: but her action recalled him to the present; he recovered it speedily.
她抓住鈅匙，幾乎從他那松開的手指中奪出來了，但是她的動作使他廻到了現實；他很快地恢複過來。

So, nowadays kibbutzim have loosened the rule.
所以時至今日，辳場已放寬了某些槼定。
耶魯公開課 - 金融市場課程節選

The usual FDA bottleneck could be loosened with the first incorporation into a bonafide drug.
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To that end, Najib has loosened the quota system that has limited foreign ownership.
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He loosened the pants up with little punches and soon had one leg partly out.
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If someone loosens restrictions or laws, for example, they make them less strict or severe.
loosening
If someone or something loosens the ties between people or groups of people, or if the ties loosen, they become weaker.
If you loosen your clothing or something that is tied or fastened, you undo it slightly so that it is less tight or less firmly held in place.
If you loosen your grip on something, or if your grip loosens, you hold it less tightly.
If a government or organization loosens its grip on a group of people or an activity, or if its grip loosens, it begins to have less control over it.