恰好 (qià hǎo) means “as it turns out; by lucky coincidence; (of number, time, size etc) just right”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
我恰好有两张多余的票。
Wǒ qiàhǎo yǒu liǎng zhāng duōyú de piào.
I happen to have two extra tickets.
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