1
it is risky to do sth
表示做某事有风险，常用it作形式主语。
It is risky to invest all your money in one stock.
把所有钱都投在一只股票上是有风险的。
危险的；有风险的
riskiest — superlative of risky
先理解核心含义，再看它在真实句子里的用法。
危险的；有风险的
Dangerous; involving risks.
It is risky to invest all your money in one stock.
把所有钱都投在一只股票上是有风险的。
危险的；有风险的。
Dangerous; involving risks.
Investing all your savings in a single stock is risky.
把所有积蓄都投资在一只股票上是冒险的。
It's risky to drive without a seatbelt, even for a short trip.
即使短途旅行，不系安全带开车也是危险的。
This plan is riskier than the previous one because it relies on untested technology.
这个计划比前一个风险更大，因为它依赖未经测试的技术。
表示做某事有风险，常用it作形式主语。
It is risky to invest all your money in one stock.
把所有钱都投在一只股票上是有风险的。
指明风险针对的对象。
The journey is risky for elderly people.
这趟旅程对老年人来说有风险。
与it is risky to do sth可互换，但doing更口语化。
It is risky leaving your car unlocked in this neighborhood.
在这个社区不锁车是有风险的。
Not this
This investment is a risky.
Use this
This investment is risky.
“risky”是形容词，不能用作名词。去掉冠词“a”，直接用形容词作表语。
Not this
He is risky.
Use this
His behavior is risky.
“risky”通常修饰行为或情况，不直接修饰人。应改为描述行为或情况。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
有风险的投资
He lost a lot of money on a risky investment.
他在一项有风险的投资中亏了很多钱。
冒险的生意
Starting a new company is always risky business.
创办新公司总是一项冒险的生意。
有风险的决定
Making a risky decision without research can lead to failure.
不做研究就做出有风险的决定可能导致失败。
冒险的一步
Quitting your job without a plan is a risky move.
没有计划就辞职是冒险的一步。
危险行为
Teenagers often engage in risky behavior.
青少年经常参与危险行为。
有风险的事业
The startup was a risky venture but paid off.
这家初创公司是一项有风险的事业，但最终成功了。
冒险的事情
Starting a new company is always risky business.
创办新公司总是一件冒险的事情。
冒险的事业
Investing all your money in that stock is a risky venture.
把你所有的钱都投资那只股票是一项冒险的事业。
冒险行事
He decided to play it risky and bet on the underdog.
他决定冒险行事，押注冷门。
Use riskiest naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：risk（风险）加 y 即为 risky，表示有风险的。
该词通常用于日常和非正式语境，但也可在商务和财经等较正式的场合中出现，属于中性用语。
通常用作表语，后接不定式或介词短语
Dictionary facts from ECDICT, WIKTIONARY.