questionableWiktionary 原文中文来自 ECDICTadj.可疑的构词拆分question词根/词干+-able后缀Able to be done; fit to be done. · Relevant to or suitable to, in accordance with.词源说明From question + -able.释义（英文）形容词 AdjectiveProblematic; open to doubt or challenge.Of dubious respectability or morality.(obsolete) Inviting questions; inviting inquiry.词族派生词（7）questionabilityquestionablenessquestionablyunquestionabilityunquestionableunquestionablenessunquestionably