1 quarter (hour)

2 moment

3 to carve

4 to engrave

5 to cut

6 oppressive

7 classifier for short time intervals

1 time

2 juncture

3 moment

4 period of time

5 classifier: 个 gè

6 classifier: 段 duàn

7 constantly

8 always

1 this moment

2 now

3 at present

1 pain

2 suffering

3 painful

4 classifier: 个 gè

1 research

2 a study

3 classifier: 项 xiàng

4 to research

5 to look into

1 unable to bear the pain (idiom)

1 lit. the pain of being hanged upside down (idiom); fig. extremely critical situation

2 dire straits

1 to have suffered all kinds of hardships (idiom)

1 to consider from all angles (idiom); to think hard

2 to rack one's brains

1 to mull over (idiom)

2 to think long and hard