A nasty incident was prevented by the timely arrival of the police.
警察的及时到来阻止了一次严重事故。
He played her a nasty trick by taking all the money.
他对她耍了卑劣的花招，把所有的钱都拿走了。
The picnic was spoiled by the nasty weather.
野餐被恶劣的天气所破坏。
This area protected by a very nasty guard dog three days per week.
本区域由一条非常危险的警卫犬看守，每周三天。
This area protected by a very nasty guard dog three days per week.
本区域由一条非常危险的警卫犬看守，每周三天。
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