「牛刀小試 / 小試牛刀」

(pos:語句)
<explanation>
yue:擁有好高才能嘅人稍微顯露一下佢嘅本事
eng:(of talented people) to show one's talent a bit
<eg>
yue:煮兩味家常小菜，對佢嚟講只不過係牛刀小試。 (zyu2 loeng5 mei2 gaa1 soeng4 siu2 coi3, deoi3 keoi5 lai4 gong2 zi2 bat1 gwo3 hai6 ngau4 dou1 siu2 si3.)
eng:For her, cooking two ordinary dishes is just to show a tiny bit of her talent.