例句：

　　He trudged home feeling lonely and let down.

　　他步履艱難地往家走，感到孤獨而沮喪。

　　We trudged up the hill.

　　我們步履艱難地一步一步往山上爬。

　　She trudged slowly up the steps.

　　她緩慢而費力地走上了臺階。