作紀念 的英文怎麼說?

[1] do something to commemorate something[2] do something for memories[3] do something for sentimental value[4] keep something (as a keepsake)

do A to commemorate B = 為了紀念 B 而做 A，例如:

take pictures to commemorate the event = 拍照來紀念此活動

keep something (as a keepsake) = 留下某個東西做紀念

拍照做紀念 = take pictures for memories = take pictures as keepsakes = take pictures as mementos = take pictures for remembrance = take pictures for sentimental value

take pictures for memories 最為常用。

例句: I take pictures for memories as my boys grow up.