unassertive

Mr. Fukuda was born into a political family, but was too modest and unassertive to be a natural politician.

虽然福田出生于政治世家，但却由于太过谦逊、缺乏决断力而被认为不是天生的政治家。

CANADIANS used to think of themselves as being quiet, modest and unassertive. No longer.

一直以来，加拿大民众都认为自己是安静、温和又谦虚的民族，可现在可不是了。

Dr. Todt was one of the very few modest, unassertive personalities in the government.

托特博士是这个政府中极少数谦逊而不盛气凌人的人之一。