make a showy display of one's abilities ; show off one's talent and assert oneself ? 沒(méi)有真才實(shí)學(xué)的人往往喜歡～。Those who lack real ability and learning are often fond of making a showy display of their abilities and assert them selves.
露才揚(yáng)己lu cai yang ji
make a display of
露才揚(yáng)己lù cái yánɡ jǐ
露：顯露，炫耀；揚(yáng)：顯示。炫耀自己的才能，表現(xiàn)自己。show off one’s knowledge, make a showy display of one’s abilities