取其精華 skim [get] the cream (off); absorb the quintessence; absorb what is best
咎由自取 bring trouble to oneself; have only oneself to blame; he is bringing the trouble on himself.; it is nobody's fault but his own.; they will only have themselves to blame
自取滅亡 bring about [invite] one's own destruction [extinction]; bring destruction on oneself; court one's own ruin [disaster; doom]; cut one's own throat; draw ruin upon oneself; fry [stew] in one's own grease; make nooses for one's own neck; pull down one's house about one's ears; put nooses round one's own neck; put one's head in a nooserun towards disaster; seek one's own downfall [doom]; tate the road to one's doom; work one's own undoing
自取滅亡的 having an urge to commit suicide; self defeating