adj.难掌握的;难琢磨的;感觉不到的;摸不着的;
例句:
The impalpable power of faith.
信仰的玄妙力量.
Impalpable ideas floating through his mind.
难以捉摸的念头在头脑中闪现.
The characters become impalpable.
人物真难以捉摸.