1.travel to 旅行到

例句:Many people travel to work by car.
很多人开车去上班。

2.amount to 总计；等于

例句:If he goes on like this, he'll never amount to anything.
如果他一味这样下去, 他将一事无成。

3.run out 用完；耗尽；用光

例句:We had lots before but now we've run out.
我们以前有很多，但是现在已经用完了。

4.open up 打开；开辟

例句:We had to hammer and shout before they would open up.
我们不停地拍门、叫喊，他们才开了门。