1 if only

2 so long as

1 child

1 house

2 building (single- or two-story)

3 apartment

4 room

5 classifier: 栋 dòng

6 classifier: 幢 zhuàng

7 classifier: 座 zuò

8 classifier: 套 tào

9 classifier: 间 jiān

1 day

2 a (calendar) date

3 days of one's life

1 to die

2 impassable

3 uncrossable

4 inflexible

5 rigid

6 extremely

7 damned

1 lit. a full bottle makes no sound; a half-filled bottle sloshes (idiom)

2 fig. empty vessels make the most noise

1 lit. one body two sides (idiom)

2 fig. a situation with two sides to it

1 better kept under the table (idiom)

2 not to be disclosed

3 too inferior to show in public

1 How do you catch the tiger cub without entering the tiger's lair? (idiom); Nothing ventured, nothing gained.

1 lit. not to stop until one reaches the Yellow River (idiom)

2 fig. to persevere until one reaches one's goal

3 to keep going while some hope is left