防范 fángfàn HSK6 to guard against Definitions Defs Origin Strokes Stroke Words Sentences Sents 疏于防范 shūyúfángfàn to fail to take precautions to neglect to take precautions; to be careless or lax in one's vigilance防范未然 fángfànwèirán to take preventive measures To take precautions or prevent something bad from happening before it actually occurs; to nip in the bud.