If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话,打电话给我,晚上一人走回家不安全。
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为,这儿的气候不佳,市容丑陋肮脏,竞争激烈,街上不安全。