1.One billion teenagers and young adults around the world risk losing their hearing by listening to loud music.
risk doing 冒险干某事
The skipper was not willing to risk taking his ship through the straits until he could see where he was going.
这位船长不愿意冒险在看不见方向之前将船开过海峡 。
Don't risk disassembling the machine yourself.
不要冒险自己去拆卸机器 。
2.A common sense suggestion is to turn down the volume on your personal audio devices.
turn down 减小,关小,调低;拒绝(请求、劝告等),屏斥;拒绝(某人)的请求(或劝告等);驳回:
Some impractical suggestions were turned down by the committee.
一些不切实际的建议被委员会驳回了 。
Would you turn down your radio a little?
把收音机关小一点好吗?