dubious
/ˈdubiəs/
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adj. 可疑的；半信半疑的
- Online ads promising to remove any stain in seconds make me dubious. 那些保證幾秒鐘就能去除任何污漬的網路廣告，讓我半信半疑。
其他意思
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adj. 可疑的, 不確定的
If you describe something as dubious, you mean that you do not consider it to be completely honest, safe, or reliable.
- This claim seems to us to be rather dubious
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