1·The mechanics work hard to keep the helicopters airworthy.
机修工们为了保障直升机的适航性而努力工作着。
—— 《柯林斯英汉双解大词典》
2·He succinctly summed up his manifesto as "Work hard, train hard and play hard."
他把自己的宣言简明地概括成了“努力工作，努力训练，努力玩耍。”
—— 《柯林斯英汉双解大词典》
3·After missing a term through illness he had to work hard to catch up with the others.
他因病休学一学期，不得不努力学习好赶上别的同学。
—— 《牛津词典》
4·The president's message was that everyone would have to work hard together to rebuild the economy.
总统所传达的信息是每个人都应一起努力工作重建经济。
—— 《柯林斯英汉双解大词典》
5·You'll get good grades if you work hard.
如果你努力学习，你会取得好成绩的。
6·We all work hard in our school.
我们在学校都努力学习。
7·He could work hard and study hard.
他还可以一边努力干活，一边努力学习。
8·Work hard at your lessons.
努力学功课。
9·Bees work hard in flowers.
蜜蜂在花丛里辛勤地工作。
10·Work hard and try to make a living.
努力工作，努力谋生。