unassertive 

英汉解释

adj. 不武断的；谦逊的；不过分自信的

反义词

a.   assertive

参考例句

1. CANADIANS used to think of themselves as being quiet, modest and unassertive.
加拿大人自认为安静、谦虚、不张扬。
2. 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。
3. 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。

英英解释

adj.
  1. inclined to timidity or lack of self-confidence

网络释义

unassertive
谦逊的; 谦虚的; 不武断的; 不过分自信;
shy bashful pigeonhearted shamefaced unassertive
害羞的;