| 暧昧 | ài mèi | vague / ambiguous / equivocal / dubious | ![]() |
| 可疑 | kě yí | suspicious / dubious | ![]() |
| 半信半疑 | bàn xìn bàn yí | half doubting / dubious / skeptical | ![]() |
| 不明不白 | bù míng bù bái | (idiom) obscure / dubious / shady | ![]() |
| 不三不四 | bù sān bù sì | (idiom) dubious / shady / neither one thing nor the other / neither fish nor fowl / nondescript | ![]() |
| 暧 | ài | (of daylight) dim / obscure / clandestine / dubious | ![]() |
| 鸡肋 | jī lèi | chicken ribs / sth of little value or interest / sth of dubious worth that one is reluctant to give up / to be physically weak | ![]() |
| 黑哨 | hēi shào | (soccer etc) corrupt officiating / dubious call | ![]() |
| 贼船 | zéi chuán | pirate ship / fig. venture of dubious merit / criminal gang / reactionary faction | ![]() |
| 伪书 | wěi shū | forged book / book of dubious authenticity / misattributed book / Apocrypha | ![]() |
| 来历不明 | lái lì bù míng | (idiom) of unknown origin / of dubious background | ![]() |
| 疑难杂症 | yí nán zá zhèng | dubious or hard-to-treat cases (medicine) / hard cases | ![]() |
| 来路不明 | lái lù bù míng | unidentified origin / no-one knows where it comes from / of dubious background | ![]() |
| 次经 | cì jīng | non-canonical text / dubious classic text / Apocrypha | ![]() |
