adj.吃力的,谨慎的
She laboured under the illusion that I knew what I was doing.
她有一个错觉,以为我知道自己在做什么。
The prose of his official communications was so laboured, pompous and verbose.
他笔下的公文矫揉浮华,长篇大论。
Her husband laboured at the plant for 17 years.
她丈夫在厂里辛勤工作了17年。