adjective, verb, punctuation, adverb · physically or mentally demanding; exhausting, tough, or arduous

农民的工作非常辛苦。

verb, adjective · to exert oneself or go to a lot of trouble to perform a task

真是辛苦你了，特意跑这一趟。

adjective · difficult conditions or the state of suffering through toil

他从小就吃过很多辛苦。