形容词
中文翻译：可疑的
同义词：
['doubtful', 'uncertain', 'questionable']
例句：
-
1. The report is quite dubious, as it contains many inaccuracies.
这份报告相当可疑，因为它包含许多不准确之处。
-
2. The new policy is dubious at best, and may not be effective in the long run.
新政策充其量是可疑的，长期来看可能不会有效。
-
3. The evidence is dubious, and further investigation is necessary.
证据可疑，需要进一步调查。