他直接體驗過落後山區的生活英文怎麼說？

He had a firsthand taste of life in backward mountainous areas.

某些城市的住房條件越來越差英文怎麼說？

In some cities housing conditions went backward.

那位老師對遲鈍的學童十分耐心英文怎麼說？

The teacher was patient with backward children.

她回頭往後看英文怎麼說？

She looked backward over her shoulder.

法蘭克非常靦腆,不好意思請她跳舞的英文怎麼說？

Frank was so backward that he hesitated to ask her to dance.