HSK 7-9
过头
guòtóu形
to overdo it; to overstep the limit; excessively; above one's head
玩笑别开过头以免伤人。
Wán xiào bié kāi guò tóu yǐ miǎn shāng rén.
Do not take a joke too far and hurt someone.
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Hold the button, say it, then let go.
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Appears across levels (7-9) in the HSK 3.0 word list.