labored

adj.

吃力的，谨慎的；

v.

努力争取(for)( labor的过去式和过去分词 )；苦干；详细分析；（指引擎）缓慢而困难地运转

labored breathing呼吸困难；憋气

1. An old woman labored up.
   老妇人吃力地爬上。
2. 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。

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