保 持 bǎo chí to keep / to maintain / to hold / to preserve 维 护 wéi hù to defend / to safeguard / to protect / to uphold / to maintain 维 持 wéi chí to keep / to maintain / to preserve 认 定 rèn dìng to maintain (that sth is true) / to determine (a fact) / determination (of an amount) / of the firm opinion / to believe firmly / to set one's mind on / to identify with 保 养 bǎo yǎng to take good care of (or conserve) one's health / to keep in good repair / to maintain / maintenance 养 护 yǎng hù to maintain / to conserve / curing (concrete etc) 保 全 bǎo quán to save from damage / to preserve / to maintain / to keep in good repair / (Tw) security guard 维 系 wéi xì to maintain / to keep up / to hold together 赡 养 shàn yǎng to support / to provide support for / to maintain 持 to hold / to grasp / to support / to maintain / to persevere / to manage / to run (i.e. administer) / to control 维 to preserve / to maintain / to hold together / dimension / vitamin (abbr. for 維生素|维生素[wei2 sheng1 su4]) 撑 to support / to prop up / to push or move with a pole / to maintain / to open or unfurl / to fill to bursting point / brace / stay / support 秉 to grasp / to hold / to maintain 力 保 lì bǎo to seek to protect / to ensure / to maintain / to guard 持 守 chí shǒu to maintain / to adhere to / to observe (an injunction etc) 抱 持 bào chí to hold (expectations, hopes etc) / to maintain (an attitude etc) / to harbor (doubts etc) / to clinch (boxing) 
chí