To defeat or check (as a person) by confusing or puzzling.

使困惑；使迷惑；使人大惑不解。

To hinder, foil or check.

挫折；阻止。

To prevent (sound waves) from interfering with each other (as by a baffle).

防止(声音)干扰。

Any of various devices for deflecting or checking heated gases or liquids.

障板；障壁。