长期cháng qī
[over a long period of time ;long-term;age-long;age-old] 很久;长时间
经久jīng jiǔ
1. [prolonged]∶历时很久
2. [durable]∶耐久
漫长màn cháng
1. [very long]∶日子过得缓慢
2. [extensive;endless]∶特别长,看不到尽头
良久liáng jiǔ
1. [quite a while]∶好一会儿;略久,稍久
2. 很久,甚久 [for a long time;for some time]
长久cháng jiǔ
[for long; permanently;for a long time] 时间延续很长
悠久yōu jiǔ
[long;long-standing long-drawn-out] 长久;久远
许久xǔ jiǔ
1. [for a long time]∶时间延续很久
2. [for ages]∶相隔时间很长