《旧唐书·列传·卷四十四》
客人于是沿墙根匍伏而行，很服帖地大气不敢出，口内生津，内心陶醉，不知怎么回答。 
客于是循墙匍匐，帖然无气，口去心醉，不知所以答矣。
The guest then crept along the base of the wall, very obediently not daring to let out a breath, saliva accumulating in his mouth, his heart captivated, not knowing how to reply.