1 variant: 恩 ēn

1 to be grateful

1 stair

2 staircase

3 classifier: 个 gè

1 elevator

2 escalator

3 classifier: 台 tái

4 classifier: 部 bù

1 Keynes (name)

2 John Maynard Keynes (1883-1946), influential British economist

1 harsh and merciless (idiom)

1 to forget favors and violate justice (idiom); ingratitude to a friend

2 to kick a benefactor in the teeth

1 your favor amounts to being given a new lease on life (idiom)

1 to employ both kindness and severity (idiom)

1 to bite the hand that feeds one (idiom)