(education) graduate student (abbr. 院生)

to be zealous, to be preoccupied with, to strive

the present, now

now, at present

(archaic) a woman's brother (regardless of age difference) / (archaic) a woman's lover or husband / (archaic) a familiar man

to research, to study

a piece of research, a study, investigation

(archaic) the eldest sibling

(rare) an elder brother

pronoun referencing an older brother figure: you, he