尽量不要高声喧哗或是不自然地讲话。Try to avoid shouting or speaking unnaturally.在公共汽车上大声喧哗是一种粗鄙的行为.Talking loudly on a bus is a sign of vulgarity.周未时,海滨上满是喧哗的游客[度假者].At weekends the beach is crowded with noisy trippers....
It was unfortunate that she had erased the message.不幸的是她已经删除了那条短信。I have learned to succor the unfortunate.我学会了周济不幸的人.By an unfortunate oversight, full instructions do not come with the product.由于一个不幸的疏忽,产品未能附上完整的说明。He...