1 not so

2 no

3 or else

4 otherwise

5 if not

6 How about ...?

1 still

2 as before

1 to lose

1 to be defeated

2 to lose

3 to fail (e.g. experiments)

4 failure

5 defeat

6 classifier: 次 cì

1 disappointed

2 to lose hope

3 to despair

1 a single slip may cause everlasting sorrow (idiom)

1 obvious at a glance (idiom)

1 obvious at a glance (idiom)

1 not to accept as correct (idiom); to object

2 to disapprove

3 to take exception to

1 not a word or movement (idiom); remaining calm and collected

2 not batting an eyelid