* sophistry /*sɑ¢°fɪstri/ = (n) ±Ëº¯¼ú, ±Ëº¯
= (n) the clever use of arguments that seem true but are really false, in order to deceive people
* spin one's wheels = (ÇêµÇÀÌ, ¾Æ¹«·± ¼Òµæ ¾øÀÌ) ½Ã°£À» ³¶ºñÇÏ´Ù
= to use a lot of effort without achieving anything