HSK 7–9 · Practice
任重道远
the task is heavy and the road is long; a long and demanding undertaking
保护环境任重道远，需要大家一起努力。
Bǎohù huánjìng rènzhòng-dàoyuǎn， xūyào dàjiā yìqǐ nǔlì。
Protecting the environment is a long and demanding task that needs everyone's effort.