名詞 plod:

1. the act of walking with a slow heavy gait
   同義詞：plodding

動詞 plod:

1. walk heavily and firmly, as when weary, or through mud
   同義詞：slog, footslog, trudge, pad, tramp

1. They had to plod wearily on up the hill.
   他們不得不邁著疲倦的步子登上山。
2. How's the book?' Oh, I'm plodding along. '
   ｀那本書怎麼樣?＇｀哦，我正在磨蹭呢.＇
3. Labourers plodded home through the muddy fields.
   工人們穿過泥濘的田地走回家去。
4. We plodded on through the rain for several hours.
   我們在雨中跋涉了幾個小時。

plod

v.（動詞）
plod.ded,plod.ding,plods
v.intr.（不及物動詞）
To move or walk heavily or laboriously; trudge:
沉重緩慢地行走：沉重地或吃力地移動或行走；步履艱難地走：
例句：
.donkeys that plodded wearily in a circle round a gin.(D.H. Lawrence)
.繞著軋棉機緩緩走動的驢子.(D.H.勞倫斯)

To work or act perseveringly or monotonously; drudge:
孜孜不倦，勤苦地工作：堅持不懈地或單調(diào)地工作或行動；埋頭苦干：
例句：
plodding through a mountain of paperwork.
在成堆的文件中埋頭苦干

v.tr.（及物動詞）
To trudge along or over.
沉重地走：步履艱難地向前走或橫越
n.（名詞）
The act of moving or walking heavily and slowly.
沉重緩慢的前進：沉重而緩慢地移動或行走的行為
The sound made by a heavy step.
沉重的踏步聲：由沉重的步子發(fā)出的聲音

來源：
[Perhaps imitative]
[可能是擬聲的]

【引伸】
plod.der
n.（名詞）
plod.dingly
adv.（副詞）