ài​mèi

dubious

暧昧 (曖昧) ài​mèi
dubious adjective
suspicious, shady, or suggestive of an unofficial or illicit romantic relationship

The relationship between the two of them is very ambiguous, exceeding the bounds of normal friendship.

vague adjective
unclear in meaning or expression; ambiguous or difficult to understand

His attitude was very vague, making it difficult to discern his true intentions.

Frequency

Movie subtitles
1.94 per million appears in 1% of films
Written text
10.7 per million

Details

HSK 2.0
Level 6

Sources

Definitions
CC-CEDICT