1 (completed action marker)

2 (modal particle indicating change of state, situation now)

3 (modal particle intensifying preceding clause)

1 half

1 to understand

2 to realize

3 to find out

1 half

2 semi-

3 incomplete

4 (after a number) and a half

1 midnight

2 in the middle of the night

1 lit. a full bottle makes no sound; a half-filled bottle sloshes (idiom)

2 fig. empty vessels make the most noise

1 obvious at a glance (idiom)

1 obvious at a glance (idiom)

1 lit. to know one and understand half (idiom); a smattering of knowledge

2 dilettante

3 amateur

1 lit. a piece of rat feces spoiled the whole pot of congee (idiom)

2 fig. one bad apple can spoil the whole bunch