fue

1. third-person singular preterite indicative of ir
2. third-person singular preterite indicative of ser

quien

1. who
2. whom
3. whoever; whomever; anyone who
4. the one who

le

1. to him, for him; dative of él
2. to her, for her; dative of ella
3. to it, for it; dative of ello
4. to you, for you (formal); dative of usted

hizo

third-person singular preterite indicative of hacer

entrar

1. to enter
2. to come in, to get in, to go in, to get inside, to come on in
3. to break in
4. to join, to enter, to start
5. to access, to log in
6. to fit
7. to step in
8. to input, to enter (data, information)
9. to enter in, to enter into, to get into, to come into, to walk into, to step into, to slip into (entrar + en)
10. to break into (entrar + en)
11. to fit in, to fall in, to fall within (entrar + en)
12. (colloquial) to make a move (on someone)
13. tackle (to attempt to take away a ball)

en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)