HSK 7-9
半信半疑
bànxìn-bànyí(idiom) half believing, half doubting; not quite convinced; skeptical
听完解释他仍半信半疑。
Tīng wán jiě shì tā réng bàn xìn bàn yí.
He remained skeptical after hearing the explanation.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.