变道前记得打转向灯。

Remember to turn on your ___blinkers before changing lanes.

训练师给赛马戴上了眼罩，以确保它专注于前方赛道。

The trainer put ___blinkers on the racehorse to keep it focused on the track ahead.

偏见常常会蒙蔽一个人看清事实的能力。

Prejudice often ___blinkers a person's ability to see the truth.