English Dictionary

dubious

/ˈdjuː.bi.əs/

adj

(of a statement, matter, or thing) Arousing doubt; questionable; open to suspicion. / (of a person) In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.

I find his explanation dubious.

意味（1）

(of a statement, matter, or thing) Arousing doubt; questionable; open to suspicion.

After he made some dubious claims about the company, fewer people trusted him.

意味（2）

(of a person) In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.

She was dubious about my plan at first, but later I managed to persuade her to cooperate.

意味（3）

(chess, chiefly of an opening move) Generally considered imprecise or wrong, but not totally unplayable.