短语词组短語doubtful case [法]疑案;無罪推定doubtful point 疑點;難以斷定的含義doubtful species 可疑種doubtful about 懷疑的，可疑的；對…懷疑doubtful hit 可疑劍;可疑刺或劈;可疑刺doubtful since 呆自Doubtful meets 呆會見doubtful of 懷疑的，可疑的；對…懷疑 返回 doubtful