确保

保证 bǎozhèng HSK 3 #446

to guarantee / to ensure / guarantee

确定 quèdìng HSK 3 #365

to determine; to decide / definite; certain; sure

保 bǎo HSK 3 #2,195

to protect / to keep / to guarantee

明确 míngquè HSK 3 #3,762

clear; definite; explicit / to make clear; to clarify

确实 quèshí HSK 3 #440

indeed; really / truly; certainly

保险 bǎoxiǎn HSK 3 #1,570

insurance / safe / secure

保安 bǎo'ān HSK 3 #1,911

security guard / public safety

保持 bǎochí HSK 3 #628

to keep / to maintain / to preserve

保护 bǎohù HSK 3 #471

to protect / to safeguard / protection

保留 bǎoliú HSK 3 #2,605

to retain / to keep / to reserve