this; these; (commonly pronounced zhei4 before a classifier, esp. in Beijing)[cedict]
简直
jiǎn zhíㄐㄧㄢˇ ㄓˊ
simply; at all[cedict]
就是
jiù shìㄐㄧㄡˋ ㄕˋ
(emphasizes that sth is precisely or exactly as stated); precisely; exactly; even; if; just like; in the same way as[cedict]
对牛弹琴
duì niú tán qínㄉㄨㄟˋ ㄋㄧㄡˊ ㄊㄢˊ ㄑㄧㄣˊ
to play the lute to a cow (成语 saw); fig. offering a treat to a unappreciative audience; to cast pearls before swine; caviar to the general; to preach to deaf ears; to talk over sb's head[cedict]