LinguaLayer turns everyday web reading into contextual language practice. Choose Chinese-to-English or English-to-Chinese, set your level, topics, and intensity, then meet a small number of useful expressions directly inside real articles. Hover for meaning, hear pronunciation, restore the original text, and track what you know. The free Core pack works without an account; Pro unlocks technology, business, news, exam, academic, and travel vocabulary packs. Page text stays on your device.