A difficulty can be inherent.Logical formLearned from427 sentences. A degree can be constituted-of-or-filled-with difficulty.Logical formLearned from421 sentences. Persons may have a difficulty.Logical formLearned from406 sentences. A person may experience difficulties.Logical formLearned from402 sentences. Difficulty can be in breathing.Logical formLearned from399 sentences. Difficulties can be extreme.Logical formLearned from386 sentences. A country may face difficulties.Logical formLearned from384 sentences. Difficulties can be physical.Logical formLearned from379 sentences. Children may have difficulty.Logical formLearned from374 sentences. Difficulties can be unexpected.Logical formLearned from352 sentences. A bit can be constituted-of-or-filled-with difficulty.Logical formLearned from350 sentences. A person may have some difficulty.Logical formLearned from348 sentences. Degrees can be constituted-of-or-filled-with difficulty.Logical formLearned from340 sentences. Difficulties can be in a country.Logical formLearned from334 sentences. Difficulties can be obvious.Logical formLearned from324 sentences.