N3 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ/です, so there are no forms to conjugate.
携帯電話の使用を控える
keitaidenwanoshiyouwohikaerurefrain from using one's mobile phoneN3expression
Example sentences2
図書館内では携帯電話の使用を控えるべきだ。
toshokannai de wa keitai denwa no shiyou o hikaeru beki da.
Inside the library, you should refrain from using your mobile phone. neutral
病院の中では携帯電話の使用を控えるのがマナーだよ。
byouin no naka de wa keitai denwa no shiyou o hikaeru no ga manaa da yo.
Refraining from using your mobile phone inside the hospital is just good manners. casual