谚语翻译still water runs deep

谚语翻译still water runs deep Still water runs deep. 是still water runs deep 还是 still water run deep? Still water runs deep.(静水流深）出自哪里? still water ,runs still water runs `still water run deep. 谚语still water run deep.但是water 是不可数 run 应该加s啊,这是为什么? 谚语still water run deep. 但是water 是不可数 run 应该加s啊 还有run 在这里是什么意 Still water runs long.什么意思 still water than deep 的意思是什么? 静水常深什么意思翻译成英文是 still water run deep 好像是英文谚语但是具体是什么意思 不太明白 恳请