順手 Simplified: 顺手 On the HSK 7-9 vocabulary list, at CEFR level C2. shùnshǒu ㄕㄨㄣˋ ㄕㄡˇ as an incidental action while doing sth else while one is at it in passing smooth easy without difficulty Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT