The Vietnamese phrase "khoảng chừng" means "about" or "approximately" in English. It is used when you want to express an estimate or a rough idea of a quantity, distance, time, or other measurements.
You can use "khoảng chừng" when you are not sure about the exact number or amount, but you want to give someone a general idea. It is commonly used in conversations about distances, time, and quantities.
In more advanced contexts, "khoảng chừng" can be used in both formal and informal situations. You might find it in discussions or writing where estimates are necessary, like in business reports or casual conversations.
While "khoảng chừng" primarily means "about" or "approximately," in certain contexts, "khoảng" can also refer to "range" or "interval" (e.g., a range of prices).