arrive at

1reach a placeusually small到达(一般比较小的地方)

They arrived at the air port just before the plane took off.飞机临起飞前,他们才赶到了机场。

2reach sth such as a decision or conclusion达成、作出(决定、结论等)

After many hours'discussion the committee arrived at the decision.经过许多小时的讨论,委员会作出了决定。

I wish they would arrive at some conclusion.我希望他们能得出某种结论。

as a matter of course naturally当然

He isas a matter of courseon my side.他当然站在我这边了。