借口

jièkǒu
  1. to use as an excuse
  2. excuse; pretext

CEDICT

Entry Composition

=1 借 jiè
  1. to borrow
  2. (used in combination with 給 gěi or 出 chū etc) to lend
  3. to make use of; to avail oneself of
  4. (sometimes followed by 著 zhe) by; with
=1 借 jiè variant of 借 jiè
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls