²¿ÀÌ´Ù
To go wrong, to go pearshaped

²¿ºÀ
A patsy, a stooge

²ÃÅë
A retard, an unintelligent person

²Ã¾Ò´Ù
Of poor quality
E.g.  ³» ÄÄÇ»ÅÍ Á¸³ª ²Ã¾Ò¾î.  ½ÊºÐ¸¶´Ù Çѹø¾¿ ¾ó¾î.  My computer really sucks.  It freezes up every ten minutes.

²ÃÃÊ
= °ñÃÊ, a heavy smoker

²Å»ç¸®/ ²Å½Î¸®
= ±ïµÎ±â, someone who is not officially admitted, but still attending.  someone who's not at all important.  an extra.  someone whose presence wouldn't make any difference.

²Î
a. BANG!
b. a failure, off

²Ü²ÜÇÏ´Ù
to feel cranky, to be in a bad mood, grouchy