productive work (especially physical work done for wages)

生産的な労働（特に賃金のために行われる身体的労働）

excessive exertion; so much exertion that discomfort or injury results

過度の労力；不快や怪我が生じるほどの労力

the activity of exerting your muscles in various ways to keep fit

筋肉を様々な方法で使って体を健康に保つための活動

effort expended in moving one object over another with pressure

圧力をかけて一つの物体をもう一つの物体に対して動かす際に費やされる労力

an effort above and beyond the call of duty

義務を超えた努力

any effort that seems to go farther than would be necessary to achieve its goal

目標を達成するために必要以上の努力

make a great effort at a mental or physical task

精神的・肉体的な作業に大いに努力する