HSK 7-9
恰到好处
qiàdào-hǎochùit's just perfect; it's just right
这段音乐时长恰到好处。
Zhè duàn yīnyuè shícháng qiàdàohǎochù.
This piece of music is just the right length.
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Appears across levels (7-9) in the HSK 3.0 word list.