1 roughly

2 probably

3 rough

4 approximate

5 about

6 general idea

1 efficiency

1 concept

2 idea

3 classifier: 个 gè

1 probability (math.)

1 frequency

1 to lump different matters together (idiom)

1 to compose in off-hand way (idiom); to dash off

1 lit. to lead beasts to eat the people (idiom); fig. tyrannical government oppresses the people

1 to act in accordance with the old rules (idiom)

2 to follow a proven formula

1 to work vaguely then retreat (idiom); sloppy and half-hearted

2 half-baked