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 to fall gravely ill, never to recover (idiom)

1 long illness makes the patient into a good doctor (idiom)

1 to hit the target where it hurts (idiom); fig. to hit home

2 to hit the nail on the head (in an argument)

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

1 fellow sufferers empathize with each other (idiom); misery loves company