write + not + without doing
kakanai de
without doing; don't (do)
meaning: without writing
今朝は何も食べないで家を出た。
kesa wa nani mo tabenai de ie o deta.
I left the house this morning without eating anything. neutral
あ、それまだ捨てないで！
a, sore mada sutenaide!
Ah, don't throw that away yet! casual