やつ

あいつは本当ほんとうに嫌いやなやつだ。

aitsu wa hontou ni iya na yatsu da.

That guy is really an unpleasant fellow. casual

これ、意外いがいと使つかいやすいやつだね。

kore, igai to tsukaiyasui yatsu da ne.

This turns out to be a surprisingly easy-to-use one, you know. casual