Examples
qǐng请suí shǒu随手guān关mén门。
请随手关门。
Please close the door behind you.
当他写字时,他总是随手拿著一本字典。
When he writes, he always keeps a dictionary at hand.
所有学英语的学生应该随手有一本好的英英词典。
All students of English should have a good English-English dictionary at hand.