Traditional: 以內
以内 (yǐ nèi) means “within; less than”. It is an HSK 4 Chinese word (traditional 以內) in the HSK 3.0 vocabulary.
Practice each character:
三天以内完成。
Sān tiān yǐnèi wánchéng.
Complete it within three days.
Updated: 2026-07-18