Adjective:

1. lacking natural ease;

   "a labored style of debating"
   

2. requiring or showing effort;

   "heavy breathing"
   "the subject made for labored reading"
   

1. 吃力的：laboratory 实验室 |labored 吃力的 | laborer 劳动者

2. labored

2. <动作、呼吸等> 困难的,痛苦的;缓慢的：1623 labile adj.易变的,不稳定的 | 1624labored 2 困难的,痛苦的;缓慢的 | 1625 labyrinth n. 迷宫,难解的事物,迷路

3. 吃力的/缓慢的/不自然的/矫揉造作的：laboratory /实验室/研究所/研究室/制药场/制作所/火药工厂/ |labored /吃力的/缓慢的/不自然的/矫揉造作的/ | laborer /劳动者/工人/

An old woman labored up.

老妇人吃力地爬上。

The historic strike gave an enormous impetus to the whole American labor movement.

这次历史性的罢工对整个美国的劳工运动起了很大的推动作用。

I was close enough to the elk to hear its labored breathing.

我离那头麋鹿非常近，能听见它吃力的呼吸声。

They labored under the disadvantage of not having enough money.

他们苦于得不到足够的资金.

He labored under the delusion that he could never make a mistake.

他受害于他从来不会出错的幻想.

The ship labored through the heavy seas.

船在波涛汹涌的海上缓慢吃力地航行.

The train labored up the hill.

火车艰难地向山坡上行驶.

The wheels labored in the sand.

车轮在沙中无法前进.

He labored hard without avail.

他徒劳无功.

She labored on far into the night.

她一直做到深夜.

Tellus was an honest man who labored hard for many years to bring up his children.

特勒斯是个老实人,他多年辛勤劳动,抚育他的孩子.

Artists of various kinds complained of the restrictions under which they labored.

各种类型的艺术家都抱怨让他们感到窒息的种种约束.

The editor labored over the manuscript till early morning.

编辑辛辛苦苦修改稿件直到清晨.

Postal workers labored overtime to speed delivery of the Christmas mail.

邮电工人加班加点以加速圣诞期间信件的发送.

Dyspnea is the perception of uncomfortable , distressful, or labored breathing.

呼吸困难是病人对呼吸不适 、 呼吸困苦或费力的自我感觉.

Since ancient times, our ancestors lived and labored on this land.

自古以来, 我们的祖先在这块土地上劳动、生活.

He developed asthma in his sixties. His breathing became labored.

他六十几岁时得了哮喘,呼吸器官出了问题.