(每日一词）hazard

Hazard  /ˈhæz.ɚd/ n. 冒险（尤指猜测、建议等）; 危险物，危害物

meaning: something that is dangerous and likely to cause damage 

词源：haz- 同hap- 可能性（chance), happy, happen 

后缀：-ard 名词后缀(coward） 

e.g. The busy traffic entrance was a hazard to pedestrians. 那个繁忙的车辆入口处对行人来说很不安全。