Word

HSK	Not in HSK
FREQUENCY	Unknown

疏于防范 shū yú fáng fàn

DEFINITIONS

to neglect to take precautions
relaxed vigilance

CHARACTERS

疏 shū HSK 6	neglect; careless, lax
于 yú HSK 3	in, on, at; go to; surname
防 fáng HSK 5	defend; prevent; embankment
范 fàn HSK 5	surname; bee-like insect