a long time
Proposed by a contributor, not yet supported by evidence.
Meaning · English
a large amount of time
Literally: a lengthy period
Register: neutral
Examples
I have not seen you for a long time.Tôi đã không nhìn thấy bạn trong một thời gian dài.
Wow! It's been a long time.Ồ! Đã từ lâu lâu lắm rồi.
Tatoeba sentence #2862869 (CC BY 2.0 FR, tatoeba.org, retrieved 2026-07-31)
Sources & notes
Everyday learner phrase (CEFR A1); level cross-referenced from published learner lists. Definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “a long time” mean?
a large amount of time Literally: a lengthy period
Is “a long time” formal or informal?
a long time is generally neutral.