He spends too much time with dubious friends.
他同一些可疑的朋友混了很多时候。
make friends with a lot of dubious characters
交些个不三不四的朋友
Is it true, or only one of your dubious jokes?
是真的呢，还是你的不着边际的玩笑话？
He was a little dubious about trusting the man.
对於能否信任那个男人, 他感到有些犹豫。
They also forfeited most of their dubious gains.
他们的大部分可疑收入也都遭没收。
They were inclined to be dubious and suspicious.
他们总是态度暧昧，疑心病很重。
Tom was dubious as to whether to accept the offer.
汤姆对于是否接受这个提议感到怀疑。
He has relations with a lot of dubious characters.
他交往了很多不三不四的朋友。
He often hangs around with some dubious characters.
他常常和一些不三不四的人鬼混。
Adverse selection was not the only dubious practice.
逆向选择并非唯一可疑的操作。
His background is a trifle dubious,to say the least.
起码可以说，他得背景不大可靠。
The tests have been shown to be of dubious validity.
这些试验得有效性已显得令人怀疑。
In one corner lay some ironmongery of dubious aspect.
几根形相可疑的废铁件堆在一个角落里。
His background is a trifle dubious, to say the least.
起码可以说, 他的背景不大可靠。
I consider this to be of dubious value for two reasons?
我认为这是令人怀疑的价值有两个原因？
I have had the dubious distinction of working for them!
我还拿不准为他们工作会不会有价值。
to have the dubious honour/ pleasure/ distinction of...
令人怀疑的…的荣誉/ 愉快/ 区别
As the De Bauw report notes, this is a dubious argument.
正如得堡的报告中所说，这是一个有争议的争论。
He often hangs around with a bunch of dubious characters.
他常和一伙不三不四的人瞎混。
Even innocence in Yusef's hands took on a dubious colour.
但是即使是清白无辜, 一到了尤塞夫身上, 看着也令人生疑。
Plainly, and in no dubious terms, he confessed that love.
他非常明确而情真意切地表白了他的爱情。
This random approach is not as dubious as one might expect.
这种随意的途径并不象人们所预期的那样无把握。
They admitted the force of my argument but remained dubious.
他们承认我的论点有说服力，但依然持怀疑态度。
No way will I get involved with those dubious property deals.
我将决不参与那些无把握的地产买卖。
The results of this policy will remain dubious for some time.
这项政策得效果短期内难以确定。
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