再保證

to reassure

again; once more; re- / second; another / then (after sth, and not until then) / no matter how ... (followed by an adjective or verb, and then (usually) 也[ye3] or 都[dou1] for emphasis)

Bulgaria / Bulgarian / abbr. for 保加利亞|保加利亚[Bao3 jia1 li4 ya4]

to defend; to protect; to keep / to guarantee; to ensure / civil administration unit in the baojia 保甲[bao3 jia3] system (old)

guarantee / to guarantee / to ensure / to safeguard / to pledge / CL:個|个[ge4]

certificate / proof / to prove / to demonstrate / to confirm / variant of 症[zheng4]