二三十 (èr sān shí) — twenty or thirty (approximate number between 20 and 30)

Definition

Examples

• 他看起来只有二三十岁。
  Tā kàn qǐ lái zhǐ yǒu èr sān shí suì.
  He looks only twenty or thirty years old.
• 教室里坐着二三十个学生。
  Jiào shì lǐ zuò zhe èr sān shí gè xué shēng.
  There are twenty or thirty students sitting in the classroom.
• 这个月的电费大概要二三十块。
  Zhè ge yuè de diàn fèi dà gài yào èr sān shí kuài.
  This month's electricity bill will be around twenty or thirty yuan.