Abstract
Vocabulary is the most basic element to language learning, which can assist learners comprehend and convey connotations in realistic situations. Successful learning to a large extent lies in that learners can understand and apply words in diverse and complicated contexts. Majorities of students attach more importance to memorize words repeatedly to enlarge their quantity of vocabulary, yet the quality of vocabulary to words are ignored. That’s why many second Chinese learners find it still hard to learn English well in spite of continuous and strenuous efforts made by them. Compared with colossal vocabulary size, vocabulary depth to some extent depends on how well a learner can learn and how far they can go. Therefore, this paper aims to explore possible ways or strategies to aid learners developing depth of vocabulary knowledge from the perspective of deep learning theory. Hoping these suggestions or measures can be conducive to improving the learning efficiency and providing some implications.