an uphill task

• 费力的工作

an uphill task的用法和样例：

例句

1. It will be an uphill fight to the end, and would we have it otherwise?
   直到尾声它会是个费力的战斗，否则我们会要它吗？
2. An impulsive three-year-old who needs constant supervision is taxing.
   需要一直看管着一个易冲动的三岁小孩是很费力的。