動詞 labour:

1. work hard
   同義詞：labor, labour, toil, fag, travail, grind, drudge, dig, moil
2. strive and make an effort to reach a goal
   同義詞：tug, labor, labour, push, drive
3. undergo the efforts of childbirth
   同義詞：labor, labour

形容詞 laboured:

1. lacking natural ease
   同義詞：labored, strained
2. requiring or showing effort
   同義詞：heavy, labored

1. He laboured at a task.
   他努力做一件工作。
2. The first steam locomotive, introduced in1825, had a top speed of only thirteen mph, and the great sailing ships of the time laboured a long at less than half that speed.
   1825年推出的第十輛蒸汽機最大速度每小時僅為13英里，而那時的大帆船行駛得更慢，還不到這個速度的一半。
3. The old man laboured up the hillside.
   老人吃力地登山。
4. The ship laboured through the rough seas.
   船在波濤洶涌的海上掙扎前行。