Movies
Are you sure this water's sanitary? It looks questionable to me.
— Tantor ‧ Tarzan

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker questions whether the water is clean, then backs the concern with a doubtful visual impression. Asking for reassurance while already calling it questionable gives the remark a comic hesitation. The wording conveys suspicion without establishing whether anything is actually wrong with the water.
Context reviewed