词汇精选：gnaw的用法和辨析

一、详细释义：

v.

咬，啃，啮 [I,T]

例句：

Lions like to gnaw away at a piece of meat.

狮子喜欢不断地啃着一块肉。

例句：

Rats gnawed off the lid of the box.

老鼠咬开了盒盖。

侵蚀，使腐蚀 [I,T]

例句：

This kind of roads gnaw at the tires

这种道路磨损轮胎。

例句：

The acid gnaws the metal.

酸腐蚀金属。

折磨，使苦恼，使不安 [I,T]

例句：

These desires gnawed away at us constantly.

这些欲望不断地折磨我们。

例句：

Doubts were already gnawing away at the back of his mind.

心底的疑团已经开始困扰他。

二、词义辨析：

bite,chew,gnaw,snap

这些动词均含有“咬、啃”之意。bite指用牙齿钳住或切断，或咬一口。chew指用牙磨碎。gnaw指连续不断用齿咬。snap指突然猛咬。

三、相关短语：

gnaw at

v. 啃,咬,侵蚀

四、参考例句：

Lions like to gnaw away at a piece of meat.

狮子喜欢不断地啃着一块肉。

Self-doubt began to gnaw away at her confidence.

对自己的怀疑渐渐吞噬了她的自信心。

This kind of roads gnaw at the tires

这种道路磨损轮胎。

Woodlice attack living plants and gnaw at the stems.

木虱会侵害活体植物并啃咬它们的茎。