弹钢琴的时候，手指要放松，不要太僵硬。

Tán gāngqín de shíhou, shǒuzhǐ yào fàngsōng, bùyào tài jiāngyìng.

When playing the piano, your fingers should be relaxed, not too stiff.

她不小心切菜的时候割伤了手指。

Tā bù xiǎoxīn qiē cài de shíhou gēshāng le shǒuzhǐ.

She accidentally cut her finger while chopping vegetables.

小孩子数数的时候喜欢掰着手指算。

Xiǎo háizi shǔshù de shíhou xǐhuan bāizhe shǒuzhǐ suàn.

Little children like to count on their fingers when counting.