- 1. 不大可能的
it's doubtful if or whether or that they'll succeed 他們未必會成功
- 2. 不確定的
to feel doubtful that .../whether .../about sth. 對…拿不定主意
- 3. 令人生疑的; 難以預測的
- 4. 有問題的
a doubtful past 令人生疑的過去
his joke was in doubtful taste 他的笑話很庸俗
1. feeling uncertain about something
2. not known with certainty
4. not established as genuine or acceptable
「1. feeling uncertain about something」的反義字
「2. not known with certainty」的反義字
「4. not established as genuine or acceptable」的反義字
...that building, but they knew the situation was totally hopeless. 2.doubtful At first they were doubtful about recruiting Timothy...
Don't be doubtful! Whenever we are discussing a film or TV program, we...
...隨時隨地都可能會有一個商品交流市場 5.the customer's financial position may be doubtful 消費者的經濟狀況難以預測 6.legal proceedings are costly 合法...