v.沉重地走；辛勤工作；孜孜从事
n.沉重的步伐；辛勤工作
They had to plod wearily on up the hill. 他们不得不迈著疲倦的步子登上山。
We plodded on through the rain for several hours. 我们在雨中跋涉了几个小时。
Do you plod through the day at the office? 你是否在办公室里埋头苦干了一整天呢？
I could recognize his plod anywhere. 我能在任何地方辨认出他的沉重脚步声。
