動詞 labor:

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

形容詞 labored:

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

1. An old woman labored up.
   老婦人吃力地爬上。
2. The historic strike gave an enormous impetus to the whole American labor movement.
   這次歷史性的罷工對整個美國的勞工運動起了很大的推動作用。

la.bored

adj.（形容詞）
Produced or done with effort:
費力的：費力地做或產生的：
例句：
the labored breathing of a very ill person.
一個病入膏肓的人的費力呼吸

Lacking natural ease; strained:
缺乏自然感的；緊張的：
例句：
a labored style of debating.
矯揉造作的辯論風格