adj. 难以预测的；难以预料的，未定局的；怀疑的，拿不准的；不明不白
1、bad and doubtful account [经] 呆帐, 坏帐
2、be doubtful of 怀疑
3、doubtful accounts [经] 呆帐, 可疑帐款
4、doubtful assets [经] 可疑资产
5、doubtful bill receivable [经] 应收未决票据
6、doubtful debts [经] 可疑债券
7、doubtful notes and accounts [经] 呆帐
8、doubtful word [计] 有疑问的字
9、reserve for doubtful account [经] 呆帐准备, 坏帐准备
10、reserve for doubtful debts [经] 呆帐准备
11、a man of doubtful taste 品味可疑的人
12、doubtful of diet 怀疑饮食
13、doubtful of the youth 怀疑年轻人
14、doubtful sound 可疑声音
15、doubtful meaning 疑义
16、doubtful of 怀疑的，可疑的；对…怀疑
17、doubtful antonyms 可疑反义词
18、doubtful gregory 怀疑格雷戈里
19、doubtful disputation 可疑争论