hard

US /hɑːrd/
UK /hɑːrd/
"hard" picture
1.

堅硬的, 硬的

solid, firm, and resistant to pressure; not easily broken, cut, or pierced

:
The ground was hard from the frost.
地面因霜凍而變得堅硬
Diamonds are the hardest known natural material.
鑽石是已知最堅硬的天然材料。
2.

困難的, 難的

difficult to do, understand, or deal with

:
It was a hard decision to make.
那是一個艱難的決定。
The exam was really hard.
考試真的非常
3.

辛勤的, 費力的

needing or using a lot of effort or energy

:
She put in a lot of hard work.
她付出了很多辛勤的工作。
It's a hard climb to the top of the mountain.
爬到山頂是一段艱難的攀登。
1.

努力地, 猛烈地

with a great deal of effort or intensity

:
He worked hard to finish the project on time.
努力工作以按時完成項目。
It rained hard all night.
雨下了一整夜,下得很大
2.

困難地, 費力地

with difficulty

:
He breathed hard after running the marathon.
跑完馬拉松後,他呼吸困難
She found it hard to believe his story.
她發現很難相信他的故事。