gauche

他在晚宴上笨拙的发言让所有客人感到尴尬。

His ___gauche remarks at the dinner party made all the guests uncomfortable.

他在第一次约会时就问她离婚的事，实在太不得体了。

It was ___gauche of him to ask about her divorce on their first date.

当其他人都穿着晚礼服到达时，她穿着鲜艳的太阳裙感到格格不入。

She felt ___gauche in her bright sundress when everyone else arrived in evening gowns.