/seɪf ||; sef/adj1 (not before a noun 不用于名词前) safe (from sb/sth) free from danger; not able to be hurt 安全；不会受到伤害: She didn't feel safe in the house on her own. 她独自呆在这房子里没有安全感。Do you think my car will be safe in this street? 我把汽车停在这街上，你看安全不安全？Keep the papers where they will be safe from fire. 把文件放到火烧不着的地方。
2 safe (to do sth);safe (for sb) not likely to cause danger, harm or risk 无害的；不致遭受危险、伤害或风险的: Don't sit on that chair, it isn't safe. 那张椅子不安全，别坐在上面。I left my suitcase in a safe place and went for a cup of coffee. 我把手提箱放在安全的地方，然后喝一杯咖啡。Is this drug safe for children? 这种药适合小孩服用吗？She's a very safe driver. 她开车开得很稳妥。It's not safe to walk alone in the streets at night here. 晚上独自在这条街上走路不安全。Is it safe to drink the water here? 这儿的水能喝吗？I think it's safe to say that the situation is unlikely to change for some time. 我想可以肯定地说情况暂时不会有变。
3 (not before a noun 不用于名词前) not hurt, damaged or lost 安然无恙；完整无损；未丢失: After the accident he checked that all the passengers were safe. 事故过后，他查看乘客的状况，知道他们都安然无恙。After five days the child was found, safe and sound. 五天以后，这孩子给找到，安然无恙。
4 based on good evidence 有可靠的证据为基础的:
a safe verdict 证据充足的判决 ➔safely adv I rang my parents to tell them I had arrived safely. 我给父母打了个电话，告诉他们我已经安全抵达。 in safe hands with sb who will take good care of you 有人好好照管
on the safe side not taking risks; being very careful 为慎重起见；非常谨慎