“安全地”的英语？

上夜班的矿工应该早就安全地到达井下了。The night shift should have been safely down the mine long ago.托马斯先生可以安全地往来于贾夫纳。Mr Thomas would be given safe passage to and from Jaffna.汽车用于将人们尽可能安全地从一地送往另一地。Cars are for getting people from A to B in...