〜ついでに
Formation
N3
Meaning
While you're at it / taking the opportunity. Used when you do something else while you're in the middle of a certain action.
Examples
散歩するついでに、手紙を出してきた。
I sent a letter while I was out for a walk.
コンビニに行くついでに、ゴミを捨ててきて。
Please throw away the trash while you're going to the convenience store.
郵便局へ行ったついでに、切手を買ってきた。
I went to the post office and bought some stamps while I was at it.
料理したついでに、お弁当のおかずも作った。
Since I cooked, I also made some side dishes for the bento while I was at it.
買い物のついでに、図書館に寄った。
I stopped by the library while I was out shopping.
掃除のついでに、いらない服を捨てた。
I threw away some old clothes while I was cleaning.