不知不觉，天已经黑了。 不知不覺，天已經黑了。 不知不覺，天已經黑了。
Sign up for a free account to save sentences and hear them read aloud
- Simplified
- 不知不觉，天已经黑了。
- Traditional (Taiwan)
- 不知不覺，天已經黑了。
- Pinyin
- Bopomofo
Written with HSK 7-9 vocabulary, at CEFR level C1.
Words in this sentence
Where this sentence is used
Sign up for a free Chinese Boost account
Save the words and sentences you find here to your own list, and hear them read aloud. You can export the list to your flashcards whenever you like.