- 三年: triennium
- 半: half
- 三年: triennium 三年不蜚, 蜚将冲天; 三年不鸣, 鸣将惊人。 if the birds have not flown for three years, they will soar into the clouds. if they have not sung for three years, their songs will take everyone by surprise
- 一年半: a year and a half
- 大约两年半: for about two and a half years
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