嚭

否 = 不 + 口 : Somebody took a bite of a mandarin (口) in the outhouse (ou3), although the mandarin is an important piece of art and there was a big forbidden sign (不) hanging over it. Frankenstein's Monster (f) is one of the suspects, but he denies (否) To give any comment (否).

喜 = 壴 + 口 : Mnemonic symbol: 喜宴, wedding banquet.

Marie Curie is overjoyed to announce her marriage in the space station. She improvised a wedding banquet with nothing but mandarins and notifies everyone by beating a large drum very quickly with two mandarins.