| 半 | bàn xìn bàn yí | (idiom) half believing, half doubting; not quite convinced; skeptical | 
| 半 | bàn | half / semi- / incomplete / (after a number) and a half | 
| 信 | xìn | letter / mail / CL:封 / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random | 
| 半 | bàn | half / semi- / incomplete / (after a number) and a half | 
| 疑 | yí | (bound form) to doubt; to suspect |