zuò / gōng / jiàn / bù / shí / qián / tuǐ / yào / wān / qū / hòu / tuǐ / bǎo / chí / shēn / zhí做弓箭步时,前腿要弯曲,后腿保持伸直。When doing a forward lunge, bend the front leg and keep the back leg straight.