「笑面虎」

(pos:名詞)
<explanation>
yue:一個睇落去好友善，但係實際上就心狠手辣嘅人（量詞：個／隻）
eng:outwardly kind but inwardly cruel person; wicked person with a phony smile; literally "smiling tiger"
<eg>
yue:小心，呢個經理係笑面虎嚟。 (siu2 sam1, ni1 go3 ging1 lei5 hai6 siu3 min6 fu2 lai4.)
eng:Watch out for this manager. He is a smiling tiger.