become ground down or deteriorate同义词:erode, gnaw at, eat at, wear away
例句
Rats gnawed off the lid of the box.老鼠咬开了盒盖。
She was gnawing her nails nervously.她正在神经质地咬指甲。
The rat gnawed a hole through the wall.耗子在墙上啃了一个洞。
These desires gnawed away at us constantly.这些欲望不断地折磨我们。
详细解释
gnaw v.(动词)gnawed,gnaw.ing,gnaws v.tr.(及物动词) To bite, chew on, or erode with the teeth.咬,啮:用牙齿咬,啃,啮To produce by gnawing:咬成:例句:gnaw a hole.See Synonyms at bite 咬一个洞参见 bite To erode or diminish gradually as if by gnawing:咬蚀,侵蚀:似乎用咬渐渐地侵蚀或减少:例句:waves gnawing the rocky shore.波浪冲蚀着岩岸 To afflict or worry persistently:烦扰或折磨:例句:fear that constantly gnawed me.恐惧不断侵扰我 v.intr.(不及物动词)To bite or chew persistently:啮,啃:不停地咬,啃:例句:The dog gnawed at the bone.那只狗啃着骨头 To cause erosion or gradual diminishment.侵蚀,消耗:使侵蚀或渐渐减小To cause persistent worry or pain:烦扰,折磨,使痛苦:例句:Hunger gnawed at the prisoners.饥饿折磨着犯人们 来源:Middle English gnauen 中古英语 gnauen from Old English gnagan 源自 古英语 gnagan 【引伸】 gnaw.er n.(名词)