1 before

2 prior to

3 ago

4 previously

5 beforehand

1 before

2 formerly

3 previous

4 ago

1 front

2 forward

3 ahead

4 first

5 top (followed by a number)

6 future

7 ago

8 before

9 BC (e.g. 前293年)

10 former

11 formerly

1 to rank

2 ranking

3 seniority (among siblings)

1 to shift to an earlier date

2 to do sth ahead of time

3 in advance

1 to advance courageously (idiom)

2 to press forward

1 obstinately clinging to one's course (idiom)

2 willful

3 one's own way

4 dogmatic

1 ten lines at a glance (idiom)

2 to read very rapidly

1 every word and action (idiom)

1 lit. if three walk together, one can be my teacher (idiom, from the Analects of Confucius)

2 you have sth to learn from everyone