(pos:語素)
<explanation>
yue:保護、保衞；抵抗  #進攻
eng:defence
<eg>
yue:#國防 (gwok3 fong4)
eng:national defence
<eg>
yue:#後防 (hau6 fong4)
eng:rear defence
<eg>
yue:#防疫 (fong4 jik6)
eng:to prevent epidemics

(pos:動詞)
<explanation>
yue:避免唔好嘅事發生；對抗一啲唔好嘅嘢
eng:to guard against; to prevent
<eg>
yue:#防備 (fong4 bei6)
eng:to prevent
<eg>
yue:#提防 (tai4 fong4)
eng:to be beware of
<eg>
yue:預防勝於治療。 (jyu6 fong4 sing3 jyu1 zi6 liu4.)
eng:Prevention is better than cure.
<eg>
yue:防人之心不可無。 (fong4 jan4 zi1 sam1 bat1 ho2 mou4.)
eng:One should be vigilant against malice from others.
<eg>
yue:我部舊電腦一開機就中毒，真係防都冇得防。 (ngo5 bou6 gau6 din6 nou5 jat1 hoi1 gei1 zau6 zung3 duk6, zan1 hai6 fong4 dou1 mou5 dak1 fong4)
eng:My old computer got infected by a virus once it booted up. There's no way I could have prevented this from happening.