1 old practice

2 classifier: 个 gè

1 familiarity at first sight

1 the ways of the world

1 accident

2 classifier: 桩 zhuāng

3 classifier: 起 qǐ

4 classifier: 次 cì

1 what for?

2 what's the reason?

1 complete change from the old rut (idiom); dramatic change of direction

2 a volte-face

3 to change old practices

1 lit. friends for a day (idiom)

2 fig. casual acquaintance

1 meeting an old friend in a foreign place (idiom)

1 back to where we were (idiom); absolutely no improvement

2 Things haven't changed at all.

1 to be one's old self (idiom)

2 to be unchanged

3 (derog.) to be stuck in one's ways