2 sentences

1. 他边洗边用口哨吹着小曲。

   tā biān xǐ biān yòng kǒu​shào chuī zhe xiǎo​qǔ.

   As he washed he whistled a tune.

   Source: AI Challenger 2017

2. 无论是扫地时，还是洗碗时，她总是唱着歌，或哼着小曲。

   wú​lùn shì sǎo dì shí, hái​shi xǐ wǎn shí, tā zǒng​shì chàng zhe gē, huò hēng zhe xiǎo​qǔ.

   Whether she was sweeping the floor or washing dishes, she was always singing or humming a tune.

   Source: CCMatrix