不好意思，我失陪一下。

Will you excuse me for just a moment?

Source: Tatoeba

Sentence Composition

1 不好意思 bùhǎoyìsi
  1. to feel embarrassed
  2. to find it embarrassing
  3. to be sorry (for inconveniencing sb)
2 我 wǒ
  1. I
  2. me
  3. my
3 失陪 shīpéi Excuse me, I must be leaving now.
4 一下 yīxià
  1. (after a verb) a bit; a little (indicating brief duration, or softening the tone, or suggesting giving sth a try)
  2. all at once; suddenly