Meaning of chí xù:
持续
to continue; to persist; to last; preservation
Tā de nǔlì yīzhí zài chíxù.
他的努力一直在持续。
His efforts have been continuing all along.
Tā de nǔlì yīzhí zài chíxù.
他的努力一直在持续。
His efforts have been persisting continuously.
Zhège xiàngmù de chénggōng qǔjué yú tā de chíxù gǎijìn.
这个项目的成功取决于它的持续改进。
The success of this project depends on its continuous improvement.
Tāmen de nǔlì dédào le chíxù de zhīchí.
他们的努力得到了持续的支持。
Their efforts received continuous support.
sustainable
Wǒmen xūyào yí gè chíxù fāzhǎn de jìhuà.
我们需要一个持续发展的计划。
We need a sustainable development plan.