Tā jiǎng gùshi de shíhou zǒngshì bǐshǒu-huàjiǎo, 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'.