他相当高兴
He was quite happy.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
最后他高兴了，窗台和门配得相当合适。
Eventually he was happy that the sills and doors were a reasonably good fit.
《柯林斯英汉双解大词典》
无可否认，这个魔鬼表现的相当文明，但是他仍然很高兴看到它走。
Admittedly, the demon had behaved in quite a civilized manner, but he was still happy to see it go.
youdao
他很高兴看到海水相当清澈。
He is pleased to see clean waters.
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