任重道远 (pinyin: rèn zhòng dào yuǎn, written "ren zhong dao yuan" or "renzhongdaoyuan") means a heavy load and a long road. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 任重道远.
Meaning
a heavy load and a long road
fig. to bear heavy responsibilities through a long struggle (cf Confucian Analects, 8.7)