But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
Gain got by a lie will burn one's fingers.
靠欺骗得来的利益会使自己受害。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.