A difficult task or situation to handle.
一项难以处理的任务或情况。 (yi xiang nanyi chuli de renwu huo qingkuang)
"Starting a new business is a tough row to hoe."
"创业是一项难以处理的任务。" (chuangye shi yi xiang nanyi chuli de renwu)
something that is too expensive or not worth its price
a small visible part of a much larger problem
to start working hard, especially after delaying
better things are coming in the future
to fail to achieve the intended result
to talk about work or business during leisure time