食指

tā yòng mǔ zhǐ hé shí zhǐ niē zhù yè zi

他用拇指和食指捏住叶子。

He pinched the leaf between his thumb and forefinger.

tā xiǎo xīn yì yì de bǎ nà méi yìng bì niē zài shí zhǐ hé mǔ zhǐ zhōng jiān

她小心翼翼地把那枚硬币捏在食指和拇指中间。

She held the coin carefully between finger and thumb.

tā bǎ shí zhǐ fàng zài zuǐ chún shàng ràng tā bǎo chí ān jìng

她把食指放在嘴唇上让她保持安静。

She shushed her with a forefinger to the lips.