1. She tiptoed out of her room in the middle of the night so she wouldn't wake up her family.2. She sneaked out of the house in the middle of the night to meet him.
 tiptoe sneaktiptoe 指走在大腳趾上，也就是躡手躡腳的意思。sneak 本身沒有躡手躡腳的意思，但形容偷偷的，祕密的感覺< >
All the work I've been putting into this project has been all for nothng because my boss is shutting it down.