that; those; commonly pr. nei4 before a classifier, esp. in Beijing[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
回
huíㄏㄨㄟˊ
to circle; to go back; to turn around; to answer; to return; to revolve; Hui religious minority (Chinese Muslims); time; classifier for acts of a play; section or chapter (of a classic book)[cedict]