请在转弯前打开转向灯。

Please turn on your ___blinkers before making a turn.

驯马师给马戴上了眼罩，防止它被周围的干扰分心。

The trainer put ___blinkers on the horse to keep it from getting distracted by the surroundings.

他的固执使他无法看到别的可能性。

His stubbornness ___blinkered him to other possibilities.