Online Resources for English Learners – Dictionaries and Corpora

update date : 2026-05-19

Website	Name	Description
	Cambridge Dictionary	Supports a Traditional Chinese interface, making it convenient for all users. It also provides pronunciation in two different accents, making it highly practical.
	Longman Dictionary	An English dictionary with English definitions and example sentences, suitable for intermediate-level students and above. The dictionary content is updated regularly.
	Merriam	This dictionary is quite unique. In addition to basic definitions, it also provides information such as the historical origin of words and common English usage errors. The website layout and interface are highly reader-friendly and comfortable to use.
	Visual Dictionary	A visual dictionary that provides images in addition to definitions, helping learners create stronger impressions and improve understanding. Suitable for learners of all levels.
	Dictionary	In addition to word searches, users can directly view explanations for all the words appearing on the webpage, making it much more convenient than many other dictionaries. Suitable for intermediate-level students and above.
	Urban Dictionary	This dictionary includes a wider range of English slang and currently popular informal expressions, making vocabulary learning more interesting and engaging.
	Voicetube	Features a Traditional Chinese interface that is simple and easy to use, making it suitable for learners of all levels.
	Wiktionary	A dictionary developed by Wiktionary. The content is extensive and may require more time to read, making it more suitable for advanced-level students.
	Dr.eye	Provides Chinese explanations and a Chinese-language interface. Related search results are displayed during searches for greater convenience, making it suitable for learners of all levels.
	Yahoo Dictionary	In addition to basic dictionary functions, it also provides a “Word of the Day” feature for daily learning, offering extra support for English learning. It includes Chinese explanations and a Chinese-language interface, making it suitable for learners of all levels.
	英漢字典	A simple and easy-to-use English-Chinese dictionary with a very user-friendly interface, suitable for learners of all levels.
	天火字典	Allows users to search directly in Chinese, providing a more intuitive and user-friendly experience. Suitable for learners of all levels.
	當代漢英字典	Allows users to search directly in Chinese, with a simple and easy-to-understand interface. Suitable for learners of all levels.
	COCA	The Corpus of Contemporary American English contains more than one billion words of American English and is one of the largest online corpora available. It allows users to search for collocations, synonyms, and example sentences in English.
	Skell	Provides searches for English and other language collocations, making it a powerful tool for English writing.
	NLP Lab	Developed by the Natural Language Processing Laboratory of the Department of Computer Science at National Tsing Hua University, this platform focuses on the research and development of various natural language processing technologies, including computer-assisted language learning, text proofreading, information retrieval systems, and machine translation systems.
	Google Scholar	Based on the content of Google Scholar, this platform uses academic English corpora as its foundation, offering relatively high language accuracy and convenient search functions.
	國教院華英雙語索引典系統	Based on the bilingual Chinese-English content of Taiwan Panorama magazine as its corpus foundation, this resource covers a wide variety of topics and is especially useful for searching examples for Chinese-to-English translation.
	Online Collocation Dictionary	A free online English collocation search website that allows users to easily search for phrases and expressions commonly used with specific words.

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