「改口」

(pos:動詞)
<explanation>
yue:收返或者更改曾經講過嘅嘢
eng:to withdraw or modify one's previous remark; to correct oneself
<eg>
yue:佢一知自己講錯嘢即刻改口。 (keoi5 jat1 zi1 zi6 gei2 gong2 co3 je5 zik1 haak1 goi2 hau2.)
eng:As soon as he knew he'd made a mistake, he immediately corrected himself.
<eg>
yue:佢哋本身話等朋友，之後又改口話係等巴士。 (keoi5 dei6 bun2 san1 waa6 dang2 pang4 jau5, zi1 hau6 jau6 goi2 hau2 waa6 hai6 dang2 baa1 si2.)
eng:First they said they were waiting for some friend, later they changed their story and said they were waiting for the bus.