He had the (dubious distinction) of becoming the first person to be killed by robot. 他不是很...
The finding gives the whales the dubious distinction of ousting polar bears as most polluted Arctic mammal. 這個發現決定了鯨魚有可能取代北極熊而成為受污染最為嚴重的北極帶哺乳動物。
...have doubts; to mistrust; to suspect; to discredit; to call sth. in question; to be dubious of