1
be unfirm
表示状态，常描述物体或表面不稳固。
The ground is unfirm.
地面不结实。
不坚固的；不稳定的；虚弱的
先理解核心含义，再看它在真实句子里的用法。
不坚固的；不稳定的；虚弱的
not firm; not strong or stable; feeble; infirm
The ground is unfirm.
地面不结实。
不牢固的；不坚定的；虚弱的；不稳定的。
Not firm; not strong or stable; feeble; infirm.
The ground was unfirm under my feet, so I walked slowly.
我脚下的地面不稳固，所以我走得很慢。
He sat on an unfirm pile of boxes and nearly fell off.
他坐在一堆不稳固的箱子上，差点摔下来。
The old chair felt unfirm, so I moved it against the wall.
那把旧椅子感觉不结实，所以我把它挪到墙边。
表示状态，常描述物体或表面不稳固。
The ground is unfirm.
地面不结实。
表示从不稳固变为不稳固的过程。
The soil became unfirm after the rain.
雨后土壤变得松散。
用于名词前作定语，表示该名词具有不稳固的特征。
an unfirm handshake
一个不牢靠的握手
Not this
Please unfirm the screws before removing the panel.
Use this
Please loosen the screws before removing the panel.
Unfirm 是形容词，表示“不牢固的”，不能作动词使用。表示“使松动”应用 loosen。
Not this
After the long illness, he looks very unfirm.
Use this
After the long illness, he looks very infirm.
Unfirm 通常用于形容物体不牢固，不用于人。形容人身体虚弱应用 infirm。
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常作表语或定语。
Dictionary facts from ECDICT, WIKTIONARY.