premature

adj. /ˌpriːməˈtʃʊr/ B2

过早的；草率的；早产的

Happening or done earlier than expected, or before natural full development.

仙境例句

It was premature to call the baby quiet, because it soon began to grunt again.

说小婴儿安静下来还为时过早，因为它很快又哼哼起来了。