单词是hard，意思是困难地，例如：
1、Brenner was breathing hard， his face contorted with pain.勃伦纳艰难地呼吸着，面部因为痛苦而变得扭曲。
2、But there must be no talk of final victory rather， the long， hard slog to a solution但是这还谈不上是最后的胜利而是长期、艰难地寻找解决方法的过程。
3、Australia made hard work of beating them.澳大利亚队非常艰难地击败了他们。
