doubtful
Definition
Not certain; unlikely or questionable.
中文 不确定的；不太可能或值得怀疑的。
Example
"It's doubtful that we'll finish the project by Friday."
Not certain; unlikely or questionable.
中文 不确定的；不太可能或值得怀疑的。
"It's doubtful that we'll finish the project by Friday."