- 释义：
- adj. 未必的；怀疑的
- 构词：
- doubt[n.&v.怀疑,疑虑]+ful有……的→adj.难以预测的;怀疑的
- 例句：
-
Let's try to clear up our difficult and doubtful points.
让我们设法把难处和疑点解决一下.
换一句
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Everyone was doubtful at first, but his statement in detail held up.
起初大家都怀疑, 但他的详细叙述证明情况属实.
换一句
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It is doubtful whether it is true or not.
这件事的真假是可疑的.
换一句