癈棄

(1)give up what is not strictly needed; "he asked if they could spare one of their horses to speed his journey"

(2)厳密に必要でないことを放棄する

(3)dispose of (something useless or old); "trash these old chairs"; "junk an old car"; "scrap your old computer"

(4)dispose of (something useless or old)

(5)（役に立たない、古い何か）を処分する

(1)