1 a chance encounter

2 to meet accidentally

1 opportunity

2 favorable circumstance

3 stroke of luck

1 surname Huo

1 train

2 classifier: 列 liè

3 classifier: 节 jié

4 classifier: 班 bān

5 classifier: 趟 tàng

1 train station

1 don't act until the time is ripe (idiom)

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

1 lit. mountains of daggers and seas of flames

2 fig. extreme danger (idiom)

1 lit. to put a fire under a pile of firewood (idiom)

2 fig. hidden danger

3 imminent danger

1 can be discovered but not sought (idiom)

2 one can only come across such things serendipitously