ㄍㄨˋㄐㄧˋ

  1. 顧慮畏忌不敢盡情說話行事·蘇軾荀卿〉:小人不善有所顧忌。」忌憚畏忌

to have misgivings, apprehension, worry, qualm, scruple
scrupule
Skrupel (S)​