1·They indulged in some highly dubious business practices to obtain their current position in the market.
他们采取了一些极为可疑的商业手段以取得目前在市场上的地位。
—— 《牛津词典》
2·The testimony given by him is dubious.
他所作的证据是可疑的。
—— 《新英汉大辞典》
3·The idea was to stop such accounts being used for dubious purposes.
其想法是防止这些账户被用于可疑的目的。
4·Scant attention has been paid to many of the dubious social and economic assumptions that underlie the plan.
人们对该计划背后的许多可疑的社会和经济假设缺乏关注。
5·In boxing, we have already seen numerous, dubious world title categories because people will not pay to see anything less than a "World Title" fight.
在拳击中我们已经看到了大量可疑的具有世界头衔类别的比赛，这是因为人们不会花钱看任何次于“世界头衔”类别的格斗。