He achieved because he worked hard.

他因为工作努力获得了成功。

youdao

He's tired because he worked hard all day today.

他疲倦是因为他今天紧张工作了一整天。

youdao

He's very tired because he worked hard all day today.

他很疲倦是因为他今天整天都在很紧张地工作。

youdao

He said he became successful because he worked hard to make his dreams come true.

VOA: special.2011.01.07

He is because he worked hard to make sure his music speaks not only to a young audience but also to his contemporaries, who are entering middle age.

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The calculation appears to be that frank words about what would be needed for peace was possible because he had worked hard to establish his credentials as Israel's friend.

BBC: Frank words from Obama in Israel

Swansea boss Kenny Jackett insists that Knight has been put up for sale because he has not worked hard enough, with both men denying reports of dressing-room unrest.

BBC: Leon Knight has scored 20 goals in 37 games for the Swans