暧昧 (ài mèi): Ambiguous (Adjective) — Meaning & Stroke Order

Your reply just now was so equivocal; are you deliberately hiding something?

He always speaks ambiguously, making it hard to guess his true thoughts.

He has never made any ambiguous promises; his attitude has always been very clear.

Although the relationship between the two parties is dubious, they act quite distant in public.