Meaning of cháng jiǔ:
cháng jiǔ
长久
Adjective
long-time; long-term; lasting; enduring; permanent
Tāmen de yǒuyì jiāng huì chángjiǔ de chíxù xiàqù.
他们的友谊将会长久地持续下去。
Their friendship will last for a long time.
Wǒmen de yǒuyì jiāng huì shì chángjiǔ de.
我们的友谊将会是长久的。
Our friendship will be lasting.
Adverb
for a long time
Zhè xiàng jì huà xū yào cháng jiǔ de nǔ lì cái néng shí xiàn.
这项计划需要长久的努力才能实现。
This plan requires long-term effort to be achieved.