1 the whole distance

2 from beginning to end

1 to set out on a journey

1 engineering

2 an engineering project

3 project

4 undertaking

5 classifier: 个 gè

6 classifier: 项 xiàng

1 equation

1 journey

2 trip

1 each goes his own way (idiom); each person has his own life to lead

1 to return without any achievement (idiom); to go home with one's tail between one's legs

1 lit. the snow piles up at Cheng Yi's door (idiom)

2 fig. deep reverence for one's master

1 ingrained habits are hard to overcome (idiom); bad old practices die hard

1 to recover one's youthful vigor

2 to feel rejuvenated (idiom)