n. 使困惑, 阻碍, 使挫折, 难倒, 迷惑, 用隔音板隔音, 徒作挣扎

[ noun ]
confusion resulting from failure to understand
<noun.cognition>

Bafflement \Baf"fle*ment\ (b[a^]f"f'l*ment), n.
The process or act of baffling, or of being baffled;
frustration; check.