1. four

2. 4

1. green

2. (slang) (derived from 綠帽子|绿帽子[lǜ mào zi]) to cheat on (one's spouse or boyfriend or girlfriend)

1. law

2. CL:條|条[tiáo], 套[tào], 個|个[gè]

1. probability

2. odds (Tw)

1. anxious

2. worried

3. apprehensive

1. frequency

1. rule (e.g. of science)

2. law of behavior

3. regular pattern

4. rhythm

5. discipline

1. to worry

2. anxiety (about)

1. ratio

2. rate

3. proportion

1. birthrate

1. Chinese set expression, typically of 4 characters, often alluding to a story or historical quotation

2. idiom

3. proverb

4. saying

5. adage

6. CL:條|条[tiáo],本[běn],句[jù]

1. Japanese variant of 綠|绿[lǜ]