1 convenient

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 to suffer from insomnia

1 a single slip may cause everlasting sorrow (idiom)

1 to be the right person for the job (idiom)

1 lit. just as humans make mistakes, so can a horse stumble (idiom)

2 fig. everyone makes mistakes

3 even the best fall down sometimes

1 lit. the old man lost his horse, but it all turned out for the best (idiom)

2 fig. a blessing in disguise

3 it's an ill wind that blows nobody any good

1 reflect a thousand times and you can still make a mistake (idiom); to err is human