Usages of gāoxìng
他 和 她 都 很 高兴。tā hé tā dōu hěn gāoxìng.
He and she are both very happy.
我们 回来 了，我们 都 很 高兴。wǒmen huílái le,wǒmen dōu hěn gāoxìng.
We came back, and we are all very happy.
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