those who left were attracted, no doubt, by higher pay.
毫无疑问, 那些离去的人是受了高薪的吸引。
they no doubt did what they could to help her, but their best proved insufficient.
他们或许尽力帮助了她, 但还不够, 他们没有全力以赴。
See main entry:doubt
英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。