捡了芝麻丢了西瓜

jiǎn le zhī ma diū le xī guā

to let go of the big prize while grabbing at trifles (idiom)

jiǎn

to pick up; to collect; to gather

le

(completed action marker)

zhī

Zoysia pungens

ma

generic name for hemp, flax etc

diū

to lose

le

(completed action marker)

西

the West

guā

melon; gourd; squash