hard sledding

• n. 费劲(困难的工作)

hard sledding的用法和样例：

例句

用作名词 (n.)

1. It was devilish hard work climbing the mountain.
   爬那座山太费劲了。
2. It's hard to work this soil with such an old spade.
   用这样一把旧铁锹挖地真费劲。