questionably
US /ˈkwes.tʃə.nə.bli/
UK /ˈkwes.tʃə.nə.bli/

副詞
1.
疑わしいほど, 問題があるように
in a way that is doubtful or uncertain; in a way that is open to question
例:
•
His motives were questionably pure.
彼の動機は疑わしいほど純粋だった。
•
The evidence was questionably obtained.
その証拠は疑わしい方法で入手された。
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