best; (you) had better (do what we suggest)[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
神仙
shén xiānㄕㄣˊ ㄒㄧㄢ
a Daoist immortal; a supernatural entity; (in modern fiction) fairy, elf, leprechaun etc; fig. lighthearted person; (used in advertising: Live like an immortal 活神仙似)[cedict]