Arduous or painful effort; hard, grinding labor.

• Suffering or hardship accompanying sustained exertion.

艰苦或痛苦的努力；繁重劳作。

• 持续用力所伴随的辛苦与困境。

The labor of childbirth.

• Pains and efforts of parturition.

分娩的产程。

• 生产时的阵痛与用力。

To labor strenuously; to toil.

• To struggle through difficulty.

竭力劳作；辛勤工作。

• 艰难地挺过困境。

To be in labor with childbirth.

进入分娩阵痛。