Correct
不备
/ bùbèi /
Strokes
Definition
unprepared/off guard
Example
As an Adjective
unprepared; off guard
1
Tā
他
chèn
趁
wǒ
我
bù
不
bèi
备
dá
打
le
了
wǒ
我
yī
一
xià
下
。
He struck me while I was off (my) guard.
2
Cì
伺
qí
其
bùbèi
不备
watch for a chance to take sb by surprise
3
Chéngqíbùbèi
乘其不备
catch sb off guard