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be safe (to do sth)
It is safe to swim in this lake.
在这个湖里游泳是安全的。
安全的；没有危险的；免受…伤害的
先理解核心含义，再看它在真实句子里的用法。
安全的；没有危险的；免受…伤害的
Not in danger; free from risk; protected from a particular harm
It is safe to swim in this lake.
在这个湖里游泳是安全的。
常与 from 连用，如 safe from harm。
没有危险；未受伤害。
Not in danger; out of harm's reach.
无风险的。
Free from risk.
提供防危保护；提供庇护。
Providing protection from danger; providing shelter.
(棒球)击球员成功到达一垒,或跑垒员成功进占下一垒或返回原占垒位；未出局。
When a batter successfully reaches first base, or when a baserunner successfully advances to the next base or returns to the base he last occupied; not out.
Keep your passport in a safe place.
把护照放在安全的地方。
The investment is considered safe because it's backed by government bonds.
这项投资被认为是安全的，因为它有政府债券支持。
The umpire signaled that the runner was safe at second base.
裁判示意跑垒员安全到达二垒。
It is safe to swim in this lake.
在这个湖里游泳是安全的。
后接名词或动名词，表示免于某种危险。
We are safe from the storm now.
我们现在安全了，远离风暴。
Please keep the documents safe.
请保管好这些文件。
She felt safe with her friends.
她和朋友们在一起感到安全。
Not this
He drives safe.
Use this
He drives safely.
用形容词 "safe" 修饰动词 "drive" 是错误的；应使用副词 "safely" 来描述驾驶的方式。
Not this
I need to safe my files.
Use this
I need to save my files.
将 "safe" 用作动词是错误的；"safe" 是形容词或名词，表示“安全的”或“保险箱”。此处应使用动词 "save"，意为“保存”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
安然无恙
After the storm, everyone was safe and sound.
暴风雨过后，每个人都安然无恙。
安全的地方
Please keep your valuables in a safe place.
请将贵重物品放在安全的地方。
安全距离
Stand at a safe distance from the fire.
站在离火远一点的安全距离处。
一路平安
I wish you a safe journey home.
祝你回家一路平安。
使用安全
This medicine is safe to use for children.
这种药儿童使用安全。
安全的选择
Investing in bonds is a safe option.
投资债券是一种安全的选择。
安然无恙
After the storm, we were relieved to find everyone safe and sound.
暴风雨过后，我们松了一口气，发现大家都安然无恙。
谨慎行事，不冒险
I decided to play it safe and take the earlier flight.
我决定谨慎行事，乘坐较早的航班。
十拿九稳的事；稳妥的选择
Investing in government bonds is usually a safe bet.
投资政府债券通常是十拿九稳的。
你我都会安然无恙
Just close your eyes, the sun is going down, you'll be alright, no one can hurt you now, come morning light, you and I'll be safe and sound.
闭上眼睛，太阳正在下山，你会没事的，现在没人能伤害你，待到黎明时分，你我都会安然无恙。
赚钱，保持安全
I'm too hot (hot damn), call the police and the fireman, I'm too hot (hot damn), make a dragon wanna retire man, gettin' money, stayin' safe.
我太火了（太热了），叫警察和消防员，我太火了，让龙都想退休，赚钱，保持安全。
Use safe naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Safe 像保险箱 (safe)，代表'安全的、可靠的'。
“safe”作为形容词，通常意为“安全的”，属于中性语域，适用于正式和非正式场合。常见语境包括：金融（资金安全）、日常（避免危险）、体育（安全上垒）。具体含义需结合上下文判断。
注意：safe 常与 from 连用表示'免于...'，也可用于 safe to do 结构。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.