n. 怀疑, 疑虑( doubt的名词复数 ); 未确定
v. 怀疑, 疑惑( doubt的第三人称单数 )
英文释义
n the state of being unsure of something
n uncertainty about the truth or factuality or existence of something
v consider unlikely or have doubts about
v lack confidence in or have doubts about