1、存在疑问
...in doubt 存在疑问with doubt 存在疑问without a doubt 无疑地 ...
With a doubt带着疑虑
With no doubt毫无疑问
With never a doubt没有怀疑
With Doubt Yesterday带着疑问昨天
learning with doubt学而有疑
People Filled With Doubt人们满怀狐疑
be greeted with doubt被怀疑
Fraught with uncertainty or doubt未决的
fill with doubt and confusion使迷惑