to elaborate (on a theme); to expound (the classics); perfunctory; to skimp; to botch; to do sth half-heartedly or just for show; barely enough to get by

to give rise to; to derive; derivative; derivation

to spread out; to develop; to overflow; to amplify; superfluous

Xia Yan (1900-1995), Chinese writer, playwright, socialist critic and movie pioneer

to deduce; to infer; an implication; same as 推演