kāng / fù / shī / zhǐ / dǎo / tā / màn / màn / qū / shēn / shǒu / bì / bì / miǎn / dòng / zuò / guò / kuài康复师指导他慢慢屈伸手臂,避免动作过快。The therapist guided him to slowly bend and extend his arm, avoiding movements that were too fast.