Tā jiǎng gùshì de shíhou zǒngshì bǐshǒuhuàjiǎo, tèbié shēngdòng.
When she tells stories, she gestures vigorously — really animated.
Tips
mistakes
Also written 比手划脚 — both forms are accepted. Don't confuse with 指手画脚 (zhǐshǒuhuàjiǎo), which carries a critical tone of 'bossing others around with gestures'.