bored、boring

看你怎么用了， 如果说我感到很无聊，就用i feel very bored

如果是这件事很无聊，可以说it is boring

总之人作主语，就用bored
物作主语，就用boring

当然是boring.
eg.suprised和suprising
用于人前的adj-
i feel suprised to that behavior.
用于非生命[多用于事]前的adj-
it's really a suprising matter for us.

人有bored 物用boring

boring. adj.

boring

bored