空洞 kōngdòng▶ trống

Stroke order

空洞 is written in 17 strokes across 2 characters.

• 空 — 8 strokes
• 洞 — 9 strokes

Senses

1. cavity
2. empty
3. vacuous

Related words

• 太空Không gian
• 空想chủ nghĩa thoát ly; giấc mơ; ảo ảnh
• 空白trống; chỗ trống
• 空虚vô ích; trống rỗng
• 空隙xen kẽ; khoảng trống
• 航空hàng không

空洞 is pronounced kōngdòng and means “trống”. HSK 6 places it in the Hanyu Shuiping Kaoshi, the standardised measure of Chinese proficiency. There is a real difference between having seen 空洞 and being able to use it, and cramming a list flatters the first while doing little for the second. LexiTrail shows you the word again at the point your recall of it is about to lapse.