1 (wiktionary) 2 (zh.wikipedia) 3 (en.wikipedia) 4 (glosbe) 5 (wikidata)

RANDOM

covert

verdeckt

verborgen

secret

nascosto

encubierto

แอบแฝง

che giấu

隐蔽

248 Monkey : Natural or man-made 自然, 人造 (zìrán, rénzào)	偷偷	tōutōu (stealthy-reduplication) stealthily, covertly ~哭 covertly cry || ~离开家 secretly leave one’s home || ~打开门 secretly open the door