副词

1. It turned out he had not insured the house sufficiently.
原来他没有给房屋投足保险。

1. 十分地：sufficient 充分的 | sufficiently 十分地 | suffix 后缀

2. 不够细心：1138sufficienta. 足够的,充分的 | 1139sufficiently不够细心 | 1140sulfurn. 硫

3. 足够地：sufficiently 足够地 | attractive 有吸引力的 | durable 耐久的

4. 充分地,足够地：lightly 轻轻地,轻松地 | sufficiently 充分地,足够地 | indifferently 不在乎地; 冷淡地

adv

1. to a sufficient degree

e.g. she was sufficiently fluent in Mandarin