Yéye niánqīng shí yī tiān néng chōu yī bāo yānjuǎnr.
When grandpa was young he could smoke a pack of cigarettes a day.
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Older / more colloquial / Beijing-flavored alternative to the standard 香烟 (xiāngyān) or 烟 (yān). The 儿 ending makes it casual and slightly nostalgic — the kind of thing a grandfather might call his cigarettes.