bǎo zhàng
to ensure
to guarantee
to safeguard
bào zhǎng
to increase sharply
to rise dramatically
bào zhàng
to report expenses
to submit accounts
bào zhàng
render an account
submit an expense account
apply for reimbursement
bǎo zhǎng
head of a bao in the Bao-Jia system 保甲制度[bao3 jia3 zhi4 du4]