「以防萬一」

(pos:語句)
<explanation>
yue:預防或者為緊急情況作準備
eng:(of a contingency) in preparation for; in case of; so as to safeguard against
<eg>
yue:今日都係帶埋把遮出街，以防萬一落雨。 (gam1 jat6 dou1 hai6 daai3 maai4 baa2 ze1 ceot1 gaai1, ji5 fong4 maan6 jat1 lok6 jyu5.)
eng:I should also bring an umbrella with me, in case it rains.