(1) Guess the idiom (2) Idiom

(1) Two, four, six and eighty (coincidence)

(2) Duet (one singing and one harmony)

(3) Laughing to death (extreme joy leads to sadness)

(4) Prelude (the ribs are all for fun)

(5) Singing in unison (singing in unison)

(6) Discussion (all talking)

(8) Pillow (forget about it)

(9) Love to travel (overjoyed)

(1 ) (release) the tiger (return) to the mountain, and the future will suffer from poverty.

(2) The rat (tail) (ba) makes soup, but there is not much oil and water.