1.
The ship laboured in the heavy seas.
船在大海中吃力地前进。
2.
The soldiers laboured their way with great difficulty on the marsh land.
士兵们在沿泽地上吃力地前进。
3.
The steamer ploughed her way across the rushing waters.
轮船穿过急流，吃力地前进。
4.
The heavy coach is dragging along.
重载的车正在缓缓地吃力前进。
5.
They trudged forward, more slowly and painfully than they had done yet.
他们脚步沉重地前进，比以前更慢更吃力了。
6.
The ground was muddy and uneven, but we toiled on.
地面泥泞不平, 我们仍吃力地向前走.
7.
The grind is muddy and uneven, but we toil on
地面泥泞不平,我们仍吃力地向前走
8.
She lugged the suitcase out into the hallway.
她吃力地将提箱拖进门厅。
9.
He picked up his bookbag and stood up laboriously.
他提起自己的书包，吃力地从床前站了起来。
10.
The wheels spun in the mud for a second, then bit again.
车轮在泥水中打了几下滑，又吃力地向前驶去。
11.
Two mules well laden with packs were trudging along.
两头骡子驮着沉重的背包，吃力地往前走。
12.
He stood at the desk, labouring in his execrable handwriting.
他站在桌前，用他那拙劣的笔迹吃力地写着。
13.
To breathe convulsively or laboriously.
剧烈地、吃力地喘气
14.
Feebly she made her way onto the front porch and sank down on the top step.
她十分吃力地摸到前边走廊里，在顶上一级台阶颓然坐下。
15.
We worked south through the forest.
我们费力地穿过森林向南前进。
16.
advanced sea based deterrent
[美]前进海上基地威慑力量
17.
The Russians swung forward in full pursuit.
俄军迅猛地向前推进，全力追击。
18.
The line or sector in which armed forces engage in combat.
前线武装力量进行作战的场地或路线