1.arrive at 到达;达到

I arrive at the hospital at eight o'clock, but I don't go on duty until nine.
我八点钟就到医院了，但是九点钟我才去值班。

I wish he would arrive at some conclusion.
但愿他会有一结论。

2.talk about 谈论，谈及；谈到

His talk about apartheid created agitation.
他的关于种族隔离的谈话激起了骚动。

I never talk about gossip.
我从不传播流言蜚语。

3.walk to 步行

I walk to school sometimes.
我有时步行上学。

She was still rather weak, and managed to walk to the bus-stop.
她还很虚弱，仍勉强走到了公共汽车站。