小心那只蝎子，它的毒刺非常危险。

Be careful with that scorpion; its ___stinger is very dangerous.

蜜蜂的尾刺在蜇人后会脱落。

The bee's ___stinger detaches after it stings someone.

他开玩笑的话里暗藏讽刺，让人听了很不舒服。

His joke had a hidden ___stinger that made everyone uncomfortable.

警方在高速公路上铺设了钉刺带以拦截逃逸的车辆。

The officers laid out a ___stinger on the highway to stop the fleeing vehicle.