Riskless
a. 无危险的
✅ 同义词
🗣️ 情景例句
Sorry to disturb you again.
抱歉， 又来打扰你。
Civility costs nothing.
礼貌不须什么代价。
It is the ideal condition of the 'equal start' which only our most progressive forms of modern education try to regain.
这就是我们最进步的现代教育试图恢复的“平等起步”的理想状况。