insufficiently
🇺🇸
/ˌɪnsəˈfɪʃntli/
🇬🇧
/ˌɪnsəˈfɪʃntli/
Not enough for what is needed or expected.
The food was insufficiently prepared, so it was not ready on time.
食物准备得不够充分,所以没有按时准备好。