strident

他刺耳的言论在会议上引起了不小的争议。

His ___strident remarks at the meeting caused quite a controversy.

她那尖锐的声音让整个教室的人都皱起了眉头。

Her ___strident voice made everyone in the classroom frown.

凌晨三点，一阵刺耳的汽车警报声打破了住宅街道的宁静。

A ___strident car alarm shattered the quiet of the residential street at three in the morning.