be-
/bɪ/prefix
forming verbs ［构成动词］
1
- all over; all round表示“四面八方”：
bespatter.
1.1
- thoroughly; excessively表示“彻底”, “极度”：
bewilder.
2
- (added to intransitive verbs) expressing transitive action加在不及物动词前 表示“使”：
bemoan.
3
- (added to adjectives and nouns) expressing transitive action［加在形容词或名词前］ 表示“使”, “使显得”：
befool
befriend.
4
- (added to nouns) affect with加在名词前 表示“以…影响”：
befog.
4.1
- (added to adjectives) cause to be［加在形容词前］表示“导致”：
befoul.
5
- (forming adjectives ending in -ed ) having; covered with［加在以-ed结尾的形容词前］表示“饰以”, “覆盖以”：
bejewelled.
词源
Old English， weak form of bī 'by'.