当心触电danger!high voltage
当心碰撞beware of collisions
当心台阶mind the step/watch your step
小心玻璃caution! glass
小心滑倒/小心地滑caution! slippery /caution! wet floor
注意安全caution! /caution!
注意防火fire hazard area
非公莫入staff only
禁止鸣笛no horn
紧急出口emergency exit
紧急疏散地evacuation site
请勿跨越no crossing