hollow sth out
hollow out 可分开使用，如 hollow it out。
He hollowed the log out to make a canoe.
他把圆木挖空做成独木舟。
呼喊；大声招呼；挖空；挖掘；呼喊；叫喊；形成空洞
to make a hole or empty space in something by digging or cutting out
挖空；挖掘
to make a hole in something; to excavate
呼喊；叫喊
To call or urge by shouting; to hollo.
一般现在时
She hollows the log to make a canoe.
她挖空木头做独木舟。
一般过去时
He hollowed out a pumpkin for Halloween.
他挖空南瓜做万圣节装饰。
现在进行时
They are hollowing the tree trunk.
他们正在挖空树干。
挖空；使中空
The children hollowed out the pumpkin to make a jack-o'-lantern.
孩子们挖空了南瓜来制作南瓜灯。
用法提示：这里hollow作为动词，表示挖空；hollowed out是过去式形式。
He is hollowing a piece of wood to create a bowl.
他正在挖空一块木头来做碗。
用法提示：hollowing是现在分词，表示挖空的动作。
The river hollows the rock over thousands of years.
河水经过数千年将岩石冲刷出空洞。
用法提示：hollows是第三人称单数形式，表示侵蚀形成空洞。
hollow out 可分开使用，如 hollow it out。
He hollowed the log out to make a canoe.
他把圆木挖空做成独木舟。
The tree trunk hollowed out over time.
树干随时间流逝而变空。
hollow 表示'挖空'时通常与 out 连用，但也可单独使用。
She hollowed a niche in the wall.
她在墙上挖了一个壁龛。
grammar · medium
易错句子He hollowed a hole in the ground.
正确表达He hollowed out the ground.
动词 hollow 本身意为‘挖空’，后面直接加‘a hole’造成语义重复。应使用短语动词 hollow out 表示‘挖出空洞’，或改用 dig。
grammar · medium
易错句子The ground hollowed after the earthquake.
正确表达The ground was hollowed by the earthquake.
动词 hollow 通常为及物动词，需要宾语或使用被动语态。这里误用作不及物动词，应改为被动结构或补充宾语（如 The earthquake hollowed the ground）。
empty强调移除容器内所有物体，不改变容器形状；hollow强调通过挖掘使内部形成空洞
carve通常指从外部切割材料形成形状或图案，而hollow指从内部挖空
挖空
She hollowed out the pumpkin to make a lantern.
她挖空了南瓜做灯笼。
在树上挖洞
The woodpecker hollowed a tree to build its nest.
啄木鸟在树上挖洞筑巢。
挖空圆木
They hollowed a log to make a canoe.
他们把圆木挖空做成独木舟。
挖出一个洞
The dentist hollowed the cavity before filling it.
牙医在补牙前先挖空了蛀洞。
听起来空洞
His apologies ring hollow when he keeps repeating the same mistake.
当他不断重复同样的错误时，他的道歉听起来很空洞。
空洞的胜利
Winning the case but losing the business was a hollow victory.
赢了官司却丢了生意，这是一场空洞的胜利。
空洞的承诺
Politicians often make hollow promises during campaigns.
政客们经常在竞选期间做出空洞的承诺。
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Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WORDNET.