of questionable antecedents的意思|示意

来历不明 of questionable antecedents;Of unknown origin;of dubious background来历不明 He appears to be a gentleman of many adventures and unknown antecedents他好像是一个绅士，冒过很多次险，可是身世不明。 .

来历不明的解释 来历不明的解释 [of questionable antecedents;of dubious ..

指人或物的来路 [of questionable antecedents;of dubious background; unidentified; of unknown origin] 指人或物的来路、历史或背景都不清楚 [incoming road;path of approach] 来的道路 .