crouch down
down 表示身体向下贴近地面，后面常接 to do sth 说明蹲下的目的。
He crouched down to look under the bed.
他蹲下来查看床底。
蹲伏；蜷伏；弯腰
crouched — past of crouch
蹲；蹲坐；卑躬屈膝；低三下四；弯下身；低头；像动物等待猎物或害怕时那样屈膝贴近地面；卑躬屈膝；谦恭或谦逊地鞠躬；从腰部向下向前弯腰
bend low to the ground by lowering the body, with knees bent or back bent forward
弯下身；低头；像动物等待猎物或害怕时那样屈膝贴近地面
To bend down; to stoop low; to stand close to the ground with legs bent, like an animal when waiting for prey, or someone in fear.
卑躬屈膝；谦恭或谦逊地鞠躬
To bend servilely; to bow in reverence or humility.
从腰部向下向前弯腰
bend one's back forward from the waist on down
蹲坐
sit on one's heels
一般现在时
The cat crouches under the table.
猫蹲在桌子下面。
一般过去时
He crouched behind the wall.
他蹲在墙后面。
现在进行时
She is crouching to pick up the coin.
她正蹲下捡硬币。
规则动词，过去式和过去分词均为 crouched。
She crouched behind the sofa so the children wouldn't see her.
她蹲在沙发后面，这样孩子们就不会看见她。
用法提示：crouched 是 crouch 的过去式，作不及物动词，表示‘蹲伏、蜷伏’。
AI contextual example
The cat crouches low in the grass before it jumps.
猫在草丛中蹲伏着，然后跳起来。
用法提示：crouches 是 crouch 的第三人称单数形式，描写动物屈膝贴近地面的动作。
AI contextual example
I crouched down to tie my shoelaces.
我蹲下来系鞋带。
用法提示：crouched down 用过去式加副词 down，表示弯腰蹲下的动作。
AI contextual example
down 表示身体向下贴近地面，后面常接 to do sth 说明蹲下的目的。
He crouched down to look under the bed.
他蹲下来查看床底。
后接地点介词短语，说明蹲伏的位置，常用于描述动物或躲藏的人。
The cat crouched behind the sofa, watching the door.
猫蹲伏在沙发后面，盯着门口。
over 强调身体位于某物上方并向下弯。
She crouched over the injured bird to keep it warm.
她蹲在受伤的鸟上方，为它保暖。
be crouched 强调持续的蹲伏姿势，而不是蹲下的动作；后面常接地点介词短语。
The boy was crouched in the corner, too scared to move.
男孩蹲在角落里，吓得不敢动。
grammar · medium
易错句子He crouched down his body to look under the bed.
正确表达He crouched down to look under the bed.
crouch 是不及物动词，后面不能接宾语；汉语"蹲下身子"里的"身子"在英语中无需译出，直接用 crouch (down) 表达即可。
grammar · medium
易错句子Yesterday the cat crouch behind the sofa for a long time.
正确表达Yesterday the cat crouched behind the sofa for a long time.
英语动词必须标记时态，crouch 的过去式是规则的 crouched；汉语动词没有形态变化，学习者容易漏加 -ed。
grammar · medium
易错句子Look! The little boy is crouch under the table.
正确表达Look! The little boy is crouching under the table.
be 动词后要接现在分词构成进行时，crouch 的现在分词是 crouching；汉语没有这种词形变化，容易误用动词原形。
蹲下；俯身蹲下
She crouched down to pick up the pen.
她蹲下去捡那支笔。
低低地蹲伏
The tiger crouched low in the grass, watching its prey.
老虎低低地蹲伏在草丛中，注视着猎物。
俯身蹲在……上方
He crouched over the map, tracing the route with his finger.
他俯身蹲在地图前，用手指描着路线。
蹲在掩体后面
The soldiers crouched behind cover as the shots rang out.
枪声响起时，士兵们蹲在掩体后面。
蜷缩在角落里
The frightened child crouched in the corner of the room.
受惊的孩子蜷缩在房间的角落里。
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