他对自己的想法是如此兴奋，觉得一定得跟别人说一说。
He was so excited about his idea that he felt he had to share it with someone.
youdao
他是如此的兴奋。
Such was his excitement.
他是如此地兴奋以至于他几乎不能入睡。
He is so excited that he can hardly sleep.
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