由于他工作不够努力 As he worked hard enough ; Because of his sufficient efforts
由于他工作努力
Because he works hard
以上为机器翻译结果，长、整句建议使用 人工翻译 。
由于他工作努力，所以很可能会成功。
As he is working hard, he is likely to succeed.
youdao
由于他的努力工作，越来越多的树存活了下来。
With his hard work, more and more trees have survived.
他由于努力工作而成功。
He succeeded by hard work.
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