1 pit

2 stone

3 nucleus

4 nuclear

5 to examine

6 to check

7 to verify

1 core

2 nucleus

1 walnut

2 classifier: 个 gè

3 classifier: 棵 kē

1 simple-minded

2 thoughtless

3 heartless

4 nitwitted

1 to moisten the lungs

2 to make expectoration easy (medicine)

1 from the bottom of one's heart (idiom)

1 lit. to mistake good intentions for a donkey's liver and lungs (idiom)

2 fig. to mistake good intentions for ill intent

1 lit. heart of wolf and lungs of dog (idiom)

2 cruel and unscrupulous