Traditional: 隨手
随手 (suí shǒu) means “conveniently; without extra trouble; while doing it; in passing”. It is an HSK 5 Chinese word (traditional 隨手) in the HSK 3.0 vocabulary.
出门随手关灯是好习惯。
Chūmén suíshǒu guān dēng shì hǎo xíguàn.
Turning off lights when leaving is a good habit.
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