nibble at sth
nibble at 表示小口地咬，常暗示吃得不多或不经心。
She nibbled at her sandwich, not feeling hungry.
她小口啃着三明治，不觉得饿。
小口咬；小口吃；啃
nibbled — past of nibble
轻咬；亲昵地咬；咬掉；啃掉；咬出（洞）；啃出（洞）；逐步消耗；逐渐蚕食；表现出兴趣；有意
to take small quick bites of something, or eat with small bites
小口快咬(某物),或咬数小口。
To take a small, quick bite, or several of such bites, of (something).
轻咬(人或动物或其身体部位),尤指亲昵或玩笑地咬；掐。
To lightly bite (a person or animal, or part of their body), especially in a loving or playful manner; to nip.
通过小口咬在(某物)上弄出(洞)。
To make (a hole in something) through small bites.
边小口咬边前进；咬出一条路。
To make (one's way) through or while taking small bites.
通常后接into或to:通过小口咬使(某物)变为某种状态。
Chiefly followed by into or to: to cause (something) to be in a certain state through small bites.
通过小口咬掉(某物),常与 away、off 等连用。
Followed by away, off, etc.: to remove (something) through small bites.
(主要接 at、away 或 on)小口快咬；频繁地小口吃东西。
Chiefly followed by at, away, or on: to take a small, quick bite, or several of such bites; to eat (at frequent intervals) with small, quick bites.
轻咬,尤指亲昵或嬉戏地咬。
To lightly bite, especially in a loving or playful manner.
(主要接 at)对某事物(如商业机会或提议)表现出轻微兴趣。
Chiefly followed by at: to show slight interest in something, such as a commercial opportunity or a proposal.
(接 away at)逐渐减少或耗尽；吃。
Followed by away at: to reduce or use up gradually; to eat.
同 tramline(指车辆:车轮趋向于沿地面轮廓行驶)。
Synonym of tramline (“of a vehicle: to tend to follow the contours of the ground with its wheels”).
一般现在时
The rabbit nibbles the carrot.
兔子一点一点地啃胡萝卜。
一般过去时
She nibbled her food nervously.
她紧张地小口吃着食物。
现在进行时
He is nibbling on a cookie.
他正在小口啃着一块饼干。
规则动词：-ing 时去掉词尾 e 再加 ing
The rabbit nibbled on a carrot in the garden.
兔子在花园里啃着胡萝卜。
用法提示：nibble作为动词，表示小口咬或啃。
She nibbles her lip when she's nervous.
她紧张时会轻咬嘴唇。
用法提示：nibble表示轻咬，常与on或直接宾语搭配。
He was nibbling at his sandwich during the meeting.
他在会议期间小口吃着三明治。
用法提示：nibbling是现在分词形式，表示小口吃。
nibble at 表示小口地咬，常暗示吃得不多或不经心。
She nibbled at her sandwich, not feeling hungry.
她小口啃着三明治，不觉得饿。
nibble 可直接接宾语，强调小口咬某物。
The rabbit nibbled the carrot.
兔子小口啃着胡萝卜。
nibble sth off 表示通过一小口一小口地咬把某物弄下来，off 可放在宾语前后。
She nibbled off a piece of the biscuit.
她小口咬下一块饼干。
bite 是通用词，语义范畴比 nibble 大；要表达“小口咬”时需靠上下文或与 small bites 连用，语气可能比 nibble 重。
nip 指快速、轻轻地咬或夹一下，常带亲昵或戏弄色彩；与 nibble 相比，动作更短促、更尖锐，不限于吃东西。
gnaw 强调反复用前牙咬或啃硬物，比 nibble 更用力、更持久；不能用于“小口吃饭”或“亲昵轻咬”。
pick at 侧重因没胃口或不耐烦而小口吃、吃几口就停；与 nibble 的“频繁小口吃”相近，但语气更消极。
grammar · medium
易错句子She nibbles her nails when she’s nervous.
正确表达She bites her nails when she’s nervous.
英语中"咬指甲"是固定搭配 bite one’s nails，不用 nibble。nibble 指用小口轻轻地咬食物或亲昵地咬，不用于表达这种习惯性动作。
grammar · medium
易错句子A mosquito nibbled me on the arm.
正确表达A mosquito bit me on the arm.
表示蚊子等昆虫叮咬时，标准动词是 bite。nibble 意为小口轻咬，用在此处不符合昆虫叮咬的实际动作，听起来很不自然。
grammar · medium
易错句子The dog nibbled the bone all afternoon.
正确表达The dog gnawed on the bone all afternoon.
nibble 指快速小口咬，而狗长时间啃骨头应用 gnaw（on），表示反复用力咬硬物。用 nibble 不能准确表达"啃"这个动作。
本条目针对 nibble 的“小口小口地咬/吃”义项；gobble 表示大口、快速地吃，与 nibble 的动作幅度和速度相反，二者不能互换。
nibble 指轻轻小口咬/吃；devour 强调贪婪、大口且快速地吃光，不属于轻咬或小口品尝，不可替换。
针对 nibble 的“小口吃”义项；wolf down 指急切地大口吞吃，常用于食物而非轻咬人或动物。
nibble 是反复小口咬/吃，gulp 是一次性大口咽下，二者在“口量”和进食方式上相反。
nibble 强调小口、反复、轻柔地咬；bite 强调一口用力咬下或咬住，不强调反复。
nibble 是轻巧地小口咬；gnaw 是持续用牙磨啃坚硬物体，常含啃掉或咬穿的过程。
小口咬；轻咬（常因紧张或出于爱意）
She nibbled at her bottom lip while thinking.
她思考时小口咬着下唇。
小口吃；一点一点地啃
The kids nibbled on snacks during the movie.
孩子们看电影时小口吃着零食。
逐渐侵蚀；一点点消耗
The tide has been nibbling away at the sandcastle.
潮水一直在渐渐侵蚀沙堡。
咬掉；啃掉
The parrot nibbled off a piece of the apple.
鹦鹉咬掉了一小块苹果。
咬穿；啃出洞
The caterpillar nibbled through the leaf.
毛毛虫咬穿了这片叶子。
逐渐侵蚀；慢慢消耗
Inflation keeps nibbling away at our savings.
通货膨胀不断侵蚀我们的储蓄。
对…表现出兴趣；试探性地接受
She nibbled at the idea of moving abroad but never committed.
她对移居国外的想法有点动心，但从未明确承诺。
只做表面功夫；隔靴搔痒
The committee has only been nibbling around the edges of the budget problem.
委员会对预算问题只是做了一些表面文章。
啃啊啃，小老鼠，谁在啃我的房子？
In the fairy tale, the witch calls out, 'Nibble, nibble, little mouse, who is nibbling at my house?' while Hansel nibbles on the gingerbread house.
在这个童话里，女巫大声喊道：‘啃啊啃，小老鼠，谁在啃我的房子？’而汉塞尔正小口咬着姜饼屋。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.