形容词

1. It's questionable whether she told him.
她有没有告诉他还是个疑问。

1. 可疑：由于这些电台的运作基于这样的可疑(questionable)设想(assumption)--儿童不可能收看这些频道,或是父母会限制孩子收看这些频道,所以监管当局往往不给它们施加(apply)什么压力(pressure).

2. 值得怀疑的：11. foot the bill for... 为...买单 | 12. questionable 值得怀疑的 | 13. back sb's idea . 支持某人的观点

1. 可疑的;不可靠的;有问题的;不确定的
If you say that something is questionable, you mean that it is not completely honest, reasonable, or acceptable.

e.g. He has been dogged by allegations of questionable business practices...
他一直被那些指控他有不正当商业行为的说法所困扰。
e.g. It is questionable whether the expenditure on this project is really justified...
该项目的开支是否真的合理还未可知。

adj

1. able to be refuted

Synonym: refutableconfutableconfutative

2. subject to question

e.g. questionable motives
a questionable reputation
a fire of questionable origin