You can find all phrasal verbs with meaning "to prevent something" ▰ Group - Phrasal verbs are grouped by prepositions. ▰ Verbs - Phrasal verbs are grouped by verbs ▰ Flashcard - Flip a card to see a phrasal verb's meaning - You can choose phrasal verbs from default units or from your own lists ▰ Multiple choice quiz - Select a phrasal verb that matches with a meaning - You can choose phrasal verbs from default units or from your own lists ▰ Built-in dictionary - Press any word and select "define" to open the built-in dictionary ▰ Translation - Translate a sentence into your own language - Select your translation language in settings ▰ iCloud backup and sync - Automatically backup and sync your bookmarks, lists and notes to iCloud ▰ Others features include: - Easy navigation - Bookmark an entry - Search an entry ▰ If you want to suggest new feature or report an issue, please use the feedback feature in the app. Thank you!