immature
🇺🇸
/ˌɪməˈtʃʊr/
🇬🇧
/ˌɪməˈtjʊə(r)/
adjective
R
acting in a silly way like a child
His immature jokes made the meeting less serious.
他不成熟的笑话让会议变得不那么严肃。
R
not fully grown or developed
The immature fruit is still green and hard.
未成熟的水果仍然是绿色且坚硬的。
translation
行为幼稚的, 未成熟的