just in case; if by any chance; contingency[cedict]
靶场
bǎ chǎngㄅㄚˇ ㄔㄤˇ
shooting range; range[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
有
yǒuㄧㄡˇ
to have; there is; there are; to exist; to be[cedict]
突发
tū fāㄊㄨ ㄈㄚ
outburst[cedict]
事件
shì jiànㄕˋ ㄐㄧㄢˋ
event; happening; incident[cedict]
发生
fā shēngㄈㄚ ㄕㄥ
to happen; to occur; to take place; to break out[cedict]