long time

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a prolonged period of time (Freq. 15)
- we've known each other for ages
- I haven't been there for years and years
• Syn:
age, years
• Hypernyms:
time period, period of time, period
• Hyponyms:
month of Sundays, eon, aeon, blue moon, year dot