1 whence

2 where

1 elsewhere

1 everywhere

1 surname Ou

1 difference

2 to distinguish

3 to discriminate

4 to make a distinction

5 classifier: 个 gè

1 man seeks his way up just as water seeks its way down (idiom)

2 one should constantly strive to make progress

1 it's a small world (idiom)

1 think of the big picture, start with the little things (idiom)

1 there are plenty more fish in the sea (idiom)

1 where it is possible to let people off, one should spare them (idiom); anyone can make mistakes, forgive them when possible