1 four

2 4

1 forgetful

2 empty-headed

1 second of the ten Heavenly Stems 十天干[shí tiān gān]

2 second in order

3 letter "B" or Roman "II" in list "A, B, C", or "I, II, III" etc

4 second party (in legal contract, usually 乙方[yǐ fāng], as opposed to 甲方[jiǎ fāng])

5 ethyl

6 bent

7 winding

8 radical in Chinese characters (Kangxi radical 5)

9 ancient Chinese compass point: 105°

1 hepatitis B

1 acetaldehyde H3CCHO

2 ethanal

1 to disseminate in every direction (idiom)

1 danger lurks on every side (idiom)

1 to become known far and wide (idiom)

2 famous

1 four generations under one roof (idiom)

1 sprawled out on one's back (idiom)