find普通用词,可指偶然发现,也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。
detect正式用词,强调经过周密观察或研究而有所获得和发现,尤指发现有意隐藏之物。
ascertain较正式用词,指有意搜寻与发现。
1.But we cannot stand idly by when a tyrant tells his people that there will be no mercy, and his forces step up their assaults on cities like Benghazi and Misrata.
stand idly袖手旁观
例句:To stand idly about; linger aimlessly.
闲逛空闲地呆在某地周围;漫无目的地闲逛
step up(使)增加, (使)加快速度
例句:The girl stepped up to school.
女孩子加快步伐去上学。
He has stepped up into the management of the firm.
他已升入公司的管理部门。
2.The French Foreign Minister Alain Juppe has said that the attacks will continue over the next few days until the Libyan government complies with the UN resolution.
comply with服从, 遵从
例句:The factory was closed for failing to comply with government safety regulations.
工厂由于未能遵守政府的安全条例而被关闭了。
The rule must be complied with.
这条规则必须遵守。
3.Reports from the rebel-held stronghold of Benghazi say rebels have retaken the whole of the city after driving out forces loyal to Colonel Gaddafi.