1.
front and back, before and behind
The area or direction in front and behind something. Spatial orientation.
2.
before and after, around (time)
The time immediately before and after an event. Also used to indicate approximate time.
3.
context, circumstances
The surrounding context or circumstances of a situation.
USAGE PATTERNS:
1. SPATIAL (front/back):
2. TEMPORAL (around a time):
3. CONTEXTUAL:
EXPRESSION: 前後不覚 = losing consciousness, being in a daze